18932560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13921}}^1$

素因数の和:13951

約数の個数: 40

約数和(自身を含む): 46610856

約数和(自身を除く): 27678296

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 13921, 27842, 55684, 69605, 111368, 139210, 222736, 236657, 278420, 473314, 556840, 946628, 1113680, 1183285, 1893256, 2366570, 3786512, 4733140, 9466280, 18932560]

約数ペア:

[(1, 18932560), (2, 9466280), (4, 4733140), (5, 3786512), (8, 2366570), (10, 1893256), (16, 1183285), (17, 1113680), (20, 946628), (34, 556840), (40, 473314), (68, 278420), (80, 236657), (85, 222736), (136, 139210), (170, 111368), (272, 69605), (340, 55684), (680, 27842), (1360, 13921)]