18750390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8803}}^1$

素因数の和:8884

約数の個数: 32

約数和(自身を含む): 45639936

約数和(自身を除く): 26889546

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 8803, 17606, 26409, 44015, 52818, 88030, 132045, 264090, 625013, 1250026, 1875039, 3125065, 3750078, 6250130, 9375195, 18750390]

約数ペア:

[(1, 18750390), (2, 9375195), (3, 6250130), (5, 3750078), (6, 3125065), (10, 1875039), (15, 1250026), (30, 625013), (71, 264090), (142, 132045), (213, 88030), (355, 52818), (426, 44015), (710, 26409), (1065, 17606), (2130, 8803)]