12387620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4657}}^1$

素因数の和:4692

約数の個数: 48

約数和(自身を含む): 31301760

約数和(自身を除く): 18914140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 4657, 9314, 18628, 23285, 32599, 46570, 65198, 88483, 93140, 130396, 162995, 176966, 325990, 353932, 442415, 619381, 651980, 884830, 1238762, 1769660, 2477524, 3096905, 6193810, 12387620]

約数ペア:

[(1, 12387620), (2, 6193810), (4, 3096905), (5, 2477524), (7, 1769660), (10, 1238762), (14, 884830), (19, 651980), (20, 619381), (28, 442415), (35, 353932), (38, 325990), (70, 176966), (76, 162995), (95, 130396), (133, 93140), (140, 88483), (190, 65198), (266, 46570), (380, 32599), (532, 23285), (665, 18628), (1330, 9314), (2660, 4657)]