18408016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2551}}^1$

素因数の和:2611

約数の個数: 40

約数和(自身を含む): 39872448

約数和(自身を除く): 21464432

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 2551, 3608, 5102, 7216, 10204, 20408, 28061, 40816, 56122, 104591, 112244, 209182, 224488, 418364, 448976, 836728, 1150501, 1673456, 2301002, 4602004, 9204008, 18408016]

約数ペア:

[(1, 18408016), (2, 9204008), (4, 4602004), (8, 2301002), (11, 1673456), (16, 1150501), (22, 836728), (41, 448976), (44, 418364), (82, 224488), (88, 209182), (164, 112244), (176, 104591), (328, 56122), (451, 40816), (656, 28061), (902, 20408), (1804, 10204), (2551, 7216), (3608, 5102)]