18787808

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2377}}^1$

素因数の和:2419

約数の個数: 48

約数和(自身を含む): 41947920

約数和(自身を除く): 23160112

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 2377, 3952, 4754, 7904, 9508, 19016, 30901, 38032, 45163, 61802, 76064, 90326, 123604, 180652, 247208, 361304, 494416, 587119, 722608, 988832, 1174238, 1445216, 2348476, 4696952, 9393904, 18787808]

約数ペア:

[(1, 18787808), (2, 9393904), (4, 4696952), (8, 2348476), (13, 1445216), (16, 1174238), (19, 988832), (26, 722608), (32, 587119), (38, 494416), (52, 361304), (76, 247208), (104, 180652), (152, 123604), (208, 90326), (247, 76064), (304, 61802), (416, 45163), (494, 38032), (608, 30901), (988, 19016), (1976, 9508), (2377, 7904), (3952, 4754)]