18848700

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:218

約数の個数: 180

約数和(自身を含む): 66167640

約数和(自身を除く): 47318940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 81, 90, 100, 108, 117, 130, 135, 150, 156, 162, 179, 180, 195, 225, 234, 260, 270, 300, 324, 325, 351, 358, 390, 405, 450, 468, 537, 540, 585, 650, 675, 702, 716, 780, 810, 895, 900, 975, 1053, 1074, 1170, 1300, 1350, 1404, 1611, 1620, 1755, 1790, 1950, 2025, 2106, 2148, 2327, 2340, 2685, 2700, 2925, 3222, 3510, 3580, 3900, 4050, 4212, 4475, 4654, 4833, 5265, 5370, 5850, 6444, 6981, 7020, 8055, 8100, 8775, 8950, 9308, 9666, 10530, 10740, 11635, 11700, 13425, 13962, 14499, 16110, 17550, 17900, 19332, 20943, 21060, 23270, 24165, 26325, 26850, 27924, 28998, 32220, 34905, 35100, 40275, 41886, 46540, 48330, 52650, 53700, 57996, 58175, 62829, 69810, 72495, 80550, 83772, 96660, 104715, 105300, 116350, 120825, 125658, 139620, 144990, 161100, 174525, 188487, 209430, 232700, 241650, 251316, 289980, 314145, 349050, 362475, 376974, 418860, 483300, 523575, 628290, 698100, 724950, 753948, 942435, 1047150, 1256580, 1449900, 1570725, 1884870, 2094300, 3141450, 3769740, 4712175, 6282900, 9424350, 18848700]

約数ペア:

[(1, 18848700), (2, 9424350), (3, 6282900), (4, 4712175), (5, 3769740), (6, 3141450), (9, 2094300), (10, 1884870), (12, 1570725), (13, 1449900), (15, 1256580), (18, 1047150), (20, 942435), (25, 753948), (26, 724950), (27, 698100), (30, 628290), (36, 523575), (39, 483300), (45, 418860), (50, 376974), (52, 362475), (54, 349050), (60, 314145), (65, 289980), (75, 251316), (78, 241650), (81, 232700), (90, 209430), (100, 188487), (108, 174525), (117, 161100), (130, 144990), (135, 139620), (150, 125658), (156, 120825), (162, 116350), (179, 105300), (180, 104715), (195, 96660), (225, 83772), (234, 80550), (260, 72495), (270, 69810), (300, 62829), (324, 58175), (325, 57996), (351, 53700), (358, 52650), (390, 48330), (405, 46540), (450, 41886), (468, 40275), (537, 35100), (540, 34905), (585, 32220), (650, 28998), (675, 27924), (702, 26850), (716, 26325), (780, 24165), (810, 23270), (895, 21060), (900, 20943), (975, 19332), (1053, 17900), (1074, 17550), (1170, 16110), (1300, 14499), (1350, 13962), (1404, 13425), (1611, 11700), (1620, 11635), (1755, 10740), (1790, 10530), (1950, 9666), (2025, 9308), (2106, 8950), (2148, 8775), (2327, 8100), (2340, 8055), (2685, 7020), (2700, 6981), (2925, 6444), (3222, 5850), (3510, 5370), (3580, 5265), (3900, 4833), (4050, 4654), (4212, 4475)]