18855130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8689}}^1$

素因数の和:8734

約数の個数: 32

約数和(自身を含む): 40043520

約数和(自身を除く): 21188390

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 8689, 17378, 43445, 60823, 86890, 121646, 269359, 304115, 538718, 608230, 1346795, 1885513, 2693590, 3771026, 9427565, 18855130]

約数ペア:

[(1, 18855130), (2, 9427565), (5, 3771026), (7, 2693590), (10, 1885513), (14, 1346795), (31, 608230), (35, 538718), (62, 304115), (70, 269359), (155, 121646), (217, 86890), (310, 60823), (434, 43445), (1085, 17378), (2170, 8689)]