18198280

素因数分解:

$2^3\times 5^1\times {\mathrm{601}}^1\times {\mathrm{757}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 41068440

約数和(自身を除く): 22870160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 601, 757, 1202, 1514, 2404, 3005, 3028, 3785, 4808, 6010, 6056, 7570, 12020, 15140, 24040, 30280, 454957, 909914, 1819828, 2274785, 3639656, 4549570, 9099140, 18198280]

約数ペア:

[(1, 18198280), (2, 9099140), (4, 4549570), (5, 3639656), (8, 2274785), (10, 1819828), (20, 909914), (40, 454957), (601, 30280), (757, 24040), (1202, 15140), (1514, 12020), (2404, 7570), (3005, 6056), (3028, 6010), (3785, 4808)]