18976120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8951}}^1$

素因数の和:9015

約数の個数: 32

約数和(自身を含む): 43506720

約数和(自身を除く): 24530600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 8951, 17902, 35804, 44755, 71608, 89510, 179020, 358040, 474403, 948806, 1897612, 2372015, 3795224, 4744030, 9488060, 18976120]

約数ペア:

[(1, 18976120), (2, 9488060), (4, 4744030), (5, 3795224), (8, 2372015), (10, 1897612), (20, 948806), (40, 474403), (53, 358040), (106, 179020), (212, 89510), (265, 71608), (424, 44755), (530, 35804), (1060, 17902), (2120, 8951)]