18556916

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 20150284

約数列:

[1, 2, 4, 7, 14, 28, 47, 59, 94, 118, 188, 236, 239, 329, 413, 478, 658, 826, 956, 1316, 1652, 1673, 2773, 3346, 5546, 6692, 11092, 11233, 14101, 19411, 22466, 28202, 38822, 44932, 56404, 77644, 78631, 98707, 157262, 197414, 314524, 394828, 662747, 1325494, 2650988, 4639229, 9278458, 18556916]

約数ペア:

[(1, 18556916), (2, 9278458), (4, 4639229), (7, 2650988), (14, 1325494), (28, 662747), (47, 394828), (59, 314524), (94, 197414), (118, 157262), (188, 98707), (236, 78631), (239, 77644), (329, 56404), (413, 44932), (478, 38822), (658, 28202), (826, 22466), (956, 19411), (1316, 14101), (1652, 11233), (1673, 11092), (2773, 6692), (3346, 5546)]