11918920

素因数分解:

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

素因数の和:22945

約数の個数: 32

約数和(自身を含む): 28881720

約数和(自身を除く): 16962800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 22921, 45842, 91684, 114605, 183368, 229210, 297973, 458420, 595946, 916840, 1191892, 1489865, 2383784, 2979730, 5959460, 11918920]

約数ペア:

[(1, 11918920), (2, 5959460), (4, 2979730), (5, 2383784), (8, 1489865), (10, 1191892), (13, 916840), (20, 595946), (26, 458420), (40, 297973), (52, 229210), (65, 183368), (104, 114605), (130, 91684), (260, 45842), (520, 22921)]