18968906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{757}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 33400512

約数和(自身を除く): 14431606

約数列:

[1, 2, 11, 17, 22, 34, 67, 134, 187, 374, 737, 757, 1139, 1474, 1514, 2278, 8327, 12529, 12869, 16654, 25058, 25738, 50719, 101438, 141559, 283118, 557909, 862223, 1115818, 1724446, 9484453, 18968906]

約数ペア:

[(1, 18968906), (2, 9484453), (11, 1724446), (17, 1115818), (22, 862223), (34, 557909), (67, 283118), (134, 141559), (187, 101438), (374, 50719), (737, 25738), (757, 25058), (1139, 16654), (1474, 12869), (1514, 12529), (2278, 8327)]