16813180

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{3671}}^1$

素因数の和:3909

約数の個数: 24

約数和(自身を含む): 35471520

約数和(自身を除く): 18658340

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 3671, 4580, 7342, 14684, 18355, 36710, 73420, 840659, 1681318, 3362636, 4203295, 8406590, 16813180]

約数ペア:

[(1, 16813180), (2, 8406590), (4, 4203295), (5, 3362636), (10, 1681318), (20, 840659), (229, 73420), (458, 36710), (916, 18355), (1145, 14684), (2290, 7342), (3671, 4580)]