17878380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{22921}}^1$

素因数の和:22946

約数の個数: 48

約数和(自身を含む): 53912544

約数和(自身を除く): 36034164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 22921, 45842, 68763, 91684, 114605, 137526, 229210, 275052, 297973, 343815, 458420, 595946, 687630, 893919, 1191892, 1375260, 1489865, 1787838, 2979730, 3575676, 4469595, 5959460, 8939190, 17878380]

約数ペア:

[(1, 17878380), (2, 8939190), (3, 5959460), (4, 4469595), (5, 3575676), (6, 2979730), (10, 1787838), (12, 1489865), (13, 1375260), (15, 1191892), (20, 893919), (26, 687630), (30, 595946), (39, 458420), (52, 343815), (60, 297973), (65, 275052), (78, 229210), (130, 137526), (156, 114605), (195, 91684), (260, 68763), (390, 45842), (780, 22921)]