18743667410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2151971}}^1$

素因数の和:2152058

約数の個数: 32

約数和(自身を含む): 36876192192

約数和(自身を除く): 18132524782

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 4355, 8710, 2151971, 4303942, 10759855, 21519710, 27975623, 55951246, 139878115, 144182057, 279756230, 288364114, 720910285, 1441820570, 1874366741, 3748733482, 9371833705, 18743667410]

約数ペア:

[(1, 18743667410), (2, 9371833705), (5, 3748733482), (10, 1874366741), (13, 1441820570), (26, 720910285), (65, 288364114), (67, 279756230), (130, 144182057), (134, 139878115), (335, 55951246), (670, 27975623), (871, 21519710), (1742, 10759855), (4355, 4303942), (8710, 2151971)]