18218996906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{551723}}^1$

素因数の和:551834

約数の個数: 32

約数和(自身を含む): 31779302400

約数和(自身を除く): 13560305494

約数列:

[1, 2, 11, 19, 22, 38, 79, 158, 209, 418, 869, 1501, 1738, 3002, 16511, 33022, 551723, 1103446, 6068953, 10482737, 12137906, 20965474, 43586117, 87172234, 115310107, 230620214, 479447287, 828136223, 958894574, 1656272446, 9109498453, 18218996906]

約数ペア:

[(1, 18218996906), (2, 9109498453), (11, 1656272446), (19, 958894574), (22, 828136223), (38, 479447287), (79, 230620214), (158, 115310107), (209, 87172234), (418, 43586117), (869, 20965474), (1501, 12137906), (1738, 10482737), (3002, 6068953), (16511, 1103446), (33022, 551723)]