18372560

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1283}}^1$

素因数の和:1475

約数の個数: 40

約数和(自身を含む): 42988320

約数和(自身を除く): 24615760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1283, 1432, 1790, 2566, 2864, 3580, 5132, 6415, 7160, 10264, 12830, 14320, 20528, 25660, 51320, 102640, 229657, 459314, 918628, 1148285, 1837256, 2296570, 3674512, 4593140, 9186280, 18372560]

約数ペア:

[(1, 18372560), (2, 9186280), (4, 4593140), (5, 3674512), (8, 2296570), (10, 1837256), (16, 1148285), (20, 918628), (40, 459314), (80, 229657), (179, 102640), (358, 51320), (716, 25660), (895, 20528), (1283, 14320), (1432, 12830), (1790, 10264), (2566, 7160), (2864, 6415), (3580, 5132)]