17986618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 12495302

約数列:

[1, 2, 13, 26, 41, 47, 82, 94, 359, 533, 611, 718, 1066, 1222, 1927, 3854, 4667, 9334, 14719, 16873, 25051, 29438, 33746, 50102, 191347, 219349, 382694, 438698, 691793, 1383586, 8993309, 17986618]

約数ペア:

[(1, 17986618), (2, 8993309), (13, 1383586), (26, 691793), (41, 438698), (47, 382694), (82, 219349), (94, 191347), (359, 50102), (533, 33746), (611, 29438), (718, 25051), (1066, 16873), (1222, 14719), (1927, 9334), (3854, 4667)]