19908312

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 51701760

約数和(自身を除く): 31793448

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 101, 129, 172, 191, 202, 258, 303, 344, 382, 404, 516, 573, 606, 764, 808, 1032, 1146, 1212, 1528, 2292, 2424, 4343, 4584, 8213, 8686, 13029, 16426, 17372, 19291, 24639, 26058, 32852, 34744, 38582, 49278, 52116, 57873, 65704, 77164, 98556, 104232, 115746, 154328, 197112, 231492, 462984, 829513, 1659026, 2488539, 3318052, 4977078, 6636104, 9954156, 19908312]

約数ペア:

[(1, 19908312), (2, 9954156), (3, 6636104), (4, 4977078), (6, 3318052), (8, 2488539), (12, 1659026), (24, 829513), (43, 462984), (86, 231492), (101, 197112), (129, 154328), (172, 115746), (191, 104232), (202, 98556), (258, 77164), (303, 65704), (344, 57873), (382, 52116), (404, 49278), (516, 38582), (573, 34744), (606, 32852), (764, 26058), (808, 24639), (1032, 19291), (1146, 17372), (1212, 16426), (1528, 13029), (2292, 8686), (2424, 8213), (4343, 4584)]