18218996960

素因数分解:

$2^5\times 5^1\times {\mathrm{233}}^1\times {\mathrm{397}}^1\times {\mathrm{1231}}^1$

素因数の和:1876

約数の個数: 96

約数和(自身を含む): 43371199872

約数和(自身を除く): 25152202912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 233, 397, 466, 794, 932, 1165, 1231, 1588, 1864, 1985, 2330, 2462, 3176, 3728, 3970, 4660, 4924, 6155, 6352, 7456, 7940, 9320, 9848, 12310, 12704, 15880, 18640, 19696, 24620, 31760, 37280, 39392, 49240, 63520, 92501, 98480, 185002, 196960, 286823, 370004, 462505, 488707, 573646, 740008, 925010, 977414, 1147292, 1434115, 1480016, 1850020, 1954828, 2294584, 2443535, 2868230, 2960032, 3700040, 3909656, 4589168, 4887070, 5736460, 7400080, 7819312, 9178336, 9774140, 11472920, 14800160, 15638624, 19548280, 22945840, 39096560, 45891680, 78193120, 113868731, 227737462, 455474924, 569343655, 910949848, 1138687310, 1821899696, 2277374620, 3643799392, 4554749240, 9109498480, 18218996960]

約数ペア:

[(1, 18218996960), (2, 9109498480), (4, 4554749240), (5, 3643799392), (8, 2277374620), (10, 1821899696), (16, 1138687310), (20, 910949848), (32, 569343655), (40, 455474924), (80, 227737462), (160, 113868731), (233, 78193120), (397, 45891680), (466, 39096560), (794, 22945840), (932, 19548280), (1165, 15638624), (1231, 14800160), (1588, 11472920), (1864, 9774140), (1985, 9178336), (2330, 7819312), (2462, 7400080), (3176, 5736460), (3728, 4887070), (3970, 4589168), (4660, 3909656), (4924, 3700040), (6155, 2960032), (6352, 2868230), (7456, 2443535), (7940, 2294584), (9320, 1954828), (9848, 1850020), (12310, 1480016), (12704, 1434115), (15880, 1147292), (18640, 977414), (19696, 925010), (24620, 740008), (31760, 573646), (37280, 488707), (39392, 462505), (49240, 370004), (63520, 286823), (92501, 196960), (98480, 185002)]