18551490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 46417536

約数和(自身を除く): 27866046

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 73, 86, 129, 146, 197, 215, 219, 258, 365, 394, 430, 438, 591, 645, 730, 985, 1095, 1182, 1290, 1970, 2190, 2955, 3139, 5910, 6278, 8471, 9417, 14381, 15695, 16942, 18834, 25413, 28762, 31390, 42355, 43143, 47085, 50826, 71905, 84710, 86286, 94170, 127065, 143810, 215715, 254130, 431430, 618383, 1236766, 1855149, 3091915, 3710298, 6183830, 9275745, 18551490]

約数ペア:

[(1, 18551490), (2, 9275745), (3, 6183830), (5, 3710298), (6, 3091915), (10, 1855149), (15, 1236766), (30, 618383), (43, 431430), (73, 254130), (86, 215715), (129, 143810), (146, 127065), (197, 94170), (215, 86286), (219, 84710), (258, 71905), (365, 50826), (394, 47085), (430, 43143), (438, 42355), (591, 31390), (645, 28762), (730, 25413), (985, 18834), (1095, 16942), (1182, 15695), (1290, 14381), (1970, 9417), (2190, 8471), (2955, 6278), (3139, 5910)]