18522340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 41529600

約数和(自身を除く): 23007260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 617, 790, 1234, 1501, 1580, 2468, 3002, 3085, 6004, 6170, 7505, 11723, 12340, 15010, 23446, 30020, 46892, 48743, 58615, 97486, 117230, 194972, 234460, 243715, 487430, 926117, 974860, 1852234, 3704468, 4630585, 9261170, 18522340]

約数ペア:

[(1, 18522340), (2, 9261170), (4, 4630585), (5, 3704468), (10, 1852234), (19, 974860), (20, 926117), (38, 487430), (76, 243715), (79, 234460), (95, 194972), (158, 117230), (190, 97486), (316, 58615), (380, 48743), (395, 46892), (617, 30020), (790, 23446), (1234, 15010), (1501, 12340), (1580, 11723), (2468, 7505), (3002, 6170), (3085, 6004)]