18178490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2801}}^1$

素因数の和:2878

約数の個数: 32

約数和(自身を含む): 36313920

約数和(自身を除く): 18135430

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 295, 590, 649, 1298, 2801, 3245, 5602, 6490, 14005, 28010, 30811, 61622, 154055, 165259, 308110, 330518, 826295, 1652590, 1817849, 3635698, 9089245, 18178490]

約数ペア:

[(1, 18178490), (2, 9089245), (5, 3635698), (10, 1817849), (11, 1652590), (22, 826295), (55, 330518), (59, 308110), (110, 165259), (118, 154055), (295, 61622), (590, 30811), (649, 28010), (1298, 14005), (2801, 6490), (3245, 5602)]