19158916840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{68424703}}^1$

素因数の和:68424721

約数の個数: 32

約数和(自身を含む): 49265786880

約数和(自身を除く): 30106870040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 68424703, 136849406, 273698812, 342123515, 478972921, 547397624, 684247030, 957945842, 1368494060, 1915891684, 2394864605, 2736988120, 3831783368, 4789729210, 9579458420, 19158916840]

約数ペア:

[(1, 19158916840), (2, 9579458420), (4, 4789729210), (5, 3831783368), (7, 2736988120), (8, 2394864605), (10, 1915891684), (14, 1368494060), (20, 957945842), (28, 684247030), (35, 547397624), (40, 478972921), (56, 342123515), (70, 273698812), (140, 136849406), (280, 68424703)]