18831190

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{38431}}^1$

素因数の和:38452

約数の個数: 24

約数和(自身を含む): 39431232

約数和(自身を除く): 20600042

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 38431, 76862, 192155, 269017, 384310, 538034, 1345085, 1883119, 2690170, 3766238, 9415595, 18831190]

約数ペア:

[(1, 18831190), (2, 9415595), (5, 3766238), (7, 2690170), (10, 1883119), (14, 1345085), (35, 538034), (49, 384310), (70, 269017), (98, 192155), (245, 76862), (490, 38431)]