18818680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16223}}^1$

素因数の和:16263

約数の個数: 32

約数和(自身を含む): 43804800

約数和(自身を除く): 24986120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 16223, 32446, 64892, 81115, 129784, 162230, 324460, 470467, 648920, 940934, 1881868, 2352335, 3763736, 4704670, 9409340, 18818680]

約数ペア:

[(1, 18818680), (2, 9409340), (4, 4704670), (5, 3763736), (8, 2352335), (10, 1881868), (20, 940934), (29, 648920), (40, 470467), (58, 324460), (116, 162230), (145, 129784), (232, 81115), (290, 64892), (580, 32446), (1160, 16223)]