18443810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1409}}^1$

素因数の和:1451

約数の個数: 64

約数和(自身を含む): 43856640

約数和(自身を除く): 25412830

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 55, 70, 77, 85, 110, 119, 154, 170, 187, 238, 374, 385, 595, 770, 935, 1190, 1309, 1409, 1870, 2618, 2818, 6545, 7045, 9863, 13090, 14090, 15499, 19726, 23953, 30998, 47906, 49315, 77495, 98630, 108493, 119765, 154990, 167671, 216986, 239530, 263483, 335342, 526966, 542465, 838355, 1084930, 1317415, 1676710, 1844381, 2634830, 3688762, 9221905, 18443810]

約数ペア:

[(1, 18443810), (2, 9221905), (5, 3688762), (7, 2634830), (10, 1844381), (11, 1676710), (14, 1317415), (17, 1084930), (22, 838355), (34, 542465), (35, 526966), (55, 335342), (70, 263483), (77, 239530), (85, 216986), (110, 167671), (119, 154990), (154, 119765), (170, 108493), (187, 98630), (238, 77495), (374, 49315), (385, 47906), (595, 30998), (770, 23953), (935, 19726), (1190, 15499), (1309, 14090), (1409, 13090), (1870, 9863), (2618, 7045), (2818, 6545)]