2018840285

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{18661}}^1$

素因数の和:18965

約数の個数: 32

約数和(自身を含む): 3031305984

約数和(自身を除く): 1012465699

約数列:

[1, 5, 7, 11, 35, 55, 77, 281, 385, 1405, 1967, 3091, 9835, 15455, 18661, 21637, 93305, 108185, 130627, 205271, 653135, 1026355, 1436897, 5243741, 7184485, 26218705, 36706187, 57681151, 183530935, 288405755, 403768057, 2018840285]

約数ペア:

[(1, 2018840285), (5, 403768057), (7, 288405755), (11, 183530935), (35, 57681151), (55, 36706187), (77, 26218705), (281, 7184485), (385, 5243741), (1405, 1436897), (1967, 1026355), (3091, 653135), (9835, 205271), (15455, 130627), (18661, 108185), (21637, 93305)]