18197816

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3571}}^1$

素因数の和:3604

約数の個数: 48

約数和(自身を含む): 42756840

約数和(自身を除く): 24559024

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 3571, 5096, 7142, 14284, 24997, 28568, 46423, 49994, 92846, 99988, 174979, 185692, 199976, 324961, 349958, 371384, 649922, 699916, 1299844, 1399832, 2274727, 2599688, 4549454, 9098908, 18197816]

約数ペア:

[(1, 18197816), (2, 9098908), (4, 4549454), (7, 2599688), (8, 2274727), (13, 1399832), (14, 1299844), (26, 699916), (28, 649922), (49, 371384), (52, 349958), (56, 324961), (91, 199976), (98, 185692), (104, 174979), (182, 99988), (196, 92846), (364, 49994), (392, 46423), (637, 28568), (728, 24997), (1274, 14284), (2548, 7142), (3571, 5096)]