19048880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7681}}^1$

素因数の和:7725

約数の個数: 40

約数和(自身を含む): 45723264

約数和(自身を除く): 26674384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7681, 15362, 30724, 38405, 61448, 76810, 122896, 153620, 238111, 307240, 476222, 614480, 952444, 1190555, 1904888, 2381110, 3809776, 4762220, 9524440, 19048880]

約数ペア:

[(1, 19048880), (2, 9524440), (4, 4762220), (5, 3809776), (8, 2381110), (10, 1904888), (16, 1190555), (20, 952444), (31, 614480), (40, 476222), (62, 307240), (80, 238111), (124, 153620), (155, 122896), (248, 76810), (310, 61448), (496, 38405), (620, 30724), (1240, 15362), (2480, 7681)]