16988888

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2281}}^1$

素因数の和:2320

約数の個数: 48

約数和(自身を含む): 39022200

約数和(自身を除く): 22033312

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 392, 532, 931, 1064, 1862, 2281, 3724, 4562, 7448, 9124, 15967, 18248, 31934, 43339, 63868, 86678, 111769, 127736, 173356, 223538, 303373, 346712, 447076, 606746, 894152, 1213492, 2123611, 2426984, 4247222, 8494444, 16988888]

約数ペア:

[(1, 16988888), (2, 8494444), (4, 4247222), (7, 2426984), (8, 2123611), (14, 1213492), (19, 894152), (28, 606746), (38, 447076), (49, 346712), (56, 303373), (76, 223538), (98, 173356), (133, 127736), (152, 111769), (196, 86678), (266, 63868), (392, 43339), (532, 31934), (931, 18248), (1064, 15967), (1862, 9124), (2281, 7448), (3724, 4562)]