19408500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:271

約数の個数: 144

約数和(自身を含む): 64733760

約数和(自身を除く): 45325260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 125, 150, 171, 180, 190, 225, 227, 228, 250, 285, 300, 342, 375, 380, 450, 454, 475, 500, 570, 681, 684, 750, 855, 900, 908, 950, 1125, 1135, 1140, 1362, 1425, 1500, 1710, 1900, 2043, 2250, 2270, 2375, 2724, 2850, 3405, 3420, 4086, 4275, 4313, 4500, 4540, 4750, 5675, 5700, 6810, 7125, 8172, 8550, 8626, 9500, 10215, 11350, 12939, 13620, 14250, 17025, 17100, 17252, 20430, 21375, 21565, 22700, 25878, 28375, 28500, 34050, 38817, 40860, 42750, 43130, 51075, 51756, 56750, 64695, 68100, 77634, 85125, 85500, 86260, 102150, 107825, 113500, 129390, 155268, 170250, 194085, 204300, 215650, 255375, 258780, 323475, 340500, 388170, 431300, 510750, 539125, 646950, 776340, 970425, 1021500, 1078250, 1293900, 1617375, 1940850, 2156500, 3234750, 3881700, 4852125, 6469500, 9704250, 19408500]

約数ペア:

[(1, 19408500), (2, 9704250), (3, 6469500), (4, 4852125), (5, 3881700), (6, 3234750), (9, 2156500), (10, 1940850), (12, 1617375), (15, 1293900), (18, 1078250), (19, 1021500), (20, 970425), (25, 776340), (30, 646950), (36, 539125), (38, 510750), (45, 431300), (50, 388170), (57, 340500), (60, 323475), (75, 258780), (76, 255375), (90, 215650), (95, 204300), (100, 194085), (114, 170250), (125, 155268), (150, 129390), (171, 113500), (180, 107825), (190, 102150), (225, 86260), (227, 85500), (228, 85125), (250, 77634), (285, 68100), (300, 64695), (342, 56750), (375, 51756), (380, 51075), (450, 43130), (454, 42750), (475, 40860), (500, 38817), (570, 34050), (681, 28500), (684, 28375), (750, 25878), (855, 22700), (900, 21565), (908, 21375), (950, 20430), (1125, 17252), (1135, 17100), (1140, 17025), (1362, 14250), (1425, 13620), (1500, 12939), (1710, 11350), (1900, 10215), (2043, 9500), (2250, 8626), (2270, 8550), (2375, 8172), (2724, 7125), (2850, 6810), (3405, 5700), (3420, 5675), (4086, 4750), (4275, 4540), (4313, 4500)]