18929700

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:89

約数の個数: 216

約数和(自身を含む): 66349920

約数和(自身を除く): 47420220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 41, 45, 50, 54, 57, 60, 75, 76, 81, 82, 90, 95, 100, 108, 114, 123, 135, 150, 162, 164, 171, 180, 190, 205, 225, 228, 243, 246, 270, 285, 300, 324, 342, 369, 380, 405, 410, 450, 475, 486, 492, 513, 540, 570, 615, 675, 684, 738, 779, 810, 820, 855, 900, 950, 972, 1025, 1026, 1107, 1140, 1215, 1230, 1350, 1425, 1476, 1539, 1558, 1620, 1710, 1845, 1900, 2025, 2050, 2052, 2214, 2337, 2430, 2460, 2565, 2700, 2850, 3075, 3078, 3116, 3321, 3420, 3690, 3895, 4050, 4100, 4275, 4428, 4617, 4674, 4860, 5130, 5535, 5700, 6075, 6150, 6156, 6642, 7011, 7380, 7695, 7790, 8100, 8550, 9225, 9234, 9348, 9963, 10260, 11070, 11685, 12150, 12300, 12825, 13284, 14022, 15390, 15580, 16605, 17100, 18450, 18468, 19475, 19926, 21033, 22140, 23085, 23370, 24300, 25650, 27675, 28044, 30780, 33210, 35055, 36900, 38475, 38950, 39852, 42066, 46170, 46740, 49815, 51300, 55350, 58425, 63099, 66420, 70110, 76950, 77900, 83025, 84132, 92340, 99630, 105165, 110700, 115425, 116850, 126198, 140220, 153900, 166050, 175275, 189297, 199260, 210330, 230850, 233700, 249075, 252396, 315495, 332100, 350550, 378594, 420660, 461700, 498150, 525825, 630990, 701100, 757188, 946485, 996300, 1051650, 1261980, 1577475, 1892970, 2103300, 3154950, 3785940, 4732425, 6309900, 9464850, 18929700]

約数ペア:

[(1, 18929700), (2, 9464850), (3, 6309900), (4, 4732425), (5, 3785940), (6, 3154950), (9, 2103300), (10, 1892970), (12, 1577475), (15, 1261980), (18, 1051650), (19, 996300), (20, 946485), (25, 757188), (27, 701100), (30, 630990), (36, 525825), (38, 498150), (41, 461700), (45, 420660), (50, 378594), (54, 350550), (57, 332100), (60, 315495), (75, 252396), (76, 249075), (81, 233700), (82, 230850), (90, 210330), (95, 199260), (100, 189297), (108, 175275), (114, 166050), (123, 153900), (135, 140220), (150, 126198), (162, 116850), (164, 115425), (171, 110700), (180, 105165), (190, 99630), (205, 92340), (225, 84132), (228, 83025), (243, 77900), (246, 76950), (270, 70110), (285, 66420), (300, 63099), (324, 58425), (342, 55350), (369, 51300), (380, 49815), (405, 46740), (410, 46170), (450, 42066), (475, 39852), (486, 38950), (492, 38475), (513, 36900), (540, 35055), (570, 33210), (615, 30780), (675, 28044), (684, 27675), (738, 25650), (779, 24300), (810, 23370), (820, 23085), (855, 22140), (900, 21033), (950, 19926), (972, 19475), (1025, 18468), (1026, 18450), (1107, 17100), (1140, 16605), (1215, 15580), (1230, 15390), (1350, 14022), (1425, 13284), (1476, 12825), (1539, 12300), (1558, 12150), (1620, 11685), (1710, 11070), (1845, 10260), (1900, 9963), (2025, 9348), (2050, 9234), (2052, 9225), (2214, 8550), (2337, 8100), (2430, 7790), (2460, 7695), (2565, 7380), (2700, 7011), (2850, 6642), (3075, 6156), (3078, 6150), (3116, 6075), (3321, 5700), (3420, 5535), (3690, 5130), (3895, 4860), (4050, 4674), (4100, 4617), (4275, 4428)]