16639180

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^2\times {\mathrm{239}}^1$

素因数の和:366

約数の個数: 36

約数和(自身を含む): 35693280

約数和(自身を除く): 19054100

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 239, 295, 478, 590, 956, 1180, 1195, 2390, 3481, 4780, 6962, 13924, 14101, 17405, 28202, 34810, 56404, 69620, 70505, 141010, 282020, 831959, 1663918, 3327836, 4159795, 8319590, 16639180]

約数ペア:

[(1, 16639180), (2, 8319590), (4, 4159795), (5, 3327836), (10, 1663918), (20, 831959), (59, 282020), (118, 141010), (236, 70505), (239, 69620), (295, 56404), (478, 34810), (590, 28202), (956, 17405), (1180, 14101), (1195, 13924), (2390, 6962), (3481, 4780)]