18518786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{887}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 33118848

約数和(自身を除く): 14600062

約数列:

[1, 2, 11, 13, 22, 26, 73, 143, 146, 286, 803, 887, 949, 1606, 1774, 1898, 9757, 10439, 11531, 19514, 20878, 23062, 64751, 126841, 129502, 253682, 712261, 841763, 1424522, 1683526, 9259393, 18518786]

約数ペア:

[(1, 18518786), (2, 9259393), (11, 1683526), (13, 1424522), (22, 841763), (26, 712261), (73, 253682), (143, 129502), (146, 126841), (286, 64751), (803, 23062), (887, 20878), (949, 19514), (1606, 11531), (1774, 10439), (1898, 9757)]