18972390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{9439}}^1$

素因数の和:9516

約数の個数: 32

約数和(自身を含む): 46218240

約数和(自身を除く): 27245850

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 9439, 18878, 28317, 47195, 56634, 94390, 141585, 283170, 632413, 1264826, 1897239, 3162065, 3794478, 6324130, 9486195, 18972390]

約数ペア:

[(1, 18972390), (2, 9486195), (3, 6324130), (5, 3794478), (6, 3162065), (10, 1897239), (15, 1264826), (30, 632413), (67, 283170), (134, 141585), (201, 94390), (335, 56634), (402, 47195), (670, 28317), (1005, 18878), (2010, 9439)]