19721466

素因数分解:

$2^1\times 3^2\times {\mathrm{269}}^1\times {\mathrm{4073}}^1$

素因数の和:4350

約数の個数: 24

約数和(自身を含む): 42899220

約数和(自身を除く): 23177754

約数列:

[1, 2, 3, 6, 9, 18, 269, 538, 807, 1614, 2421, 4073, 4842, 8146, 12219, 24438, 36657, 73314, 1095637, 2191274, 3286911, 6573822, 9860733, 19721466]

約数ペア:

[(1, 19721466), (2, 9860733), (3, 6573822), (6, 3286911), (9, 2191274), (18, 1095637), (269, 73314), (538, 36657), (807, 24438), (1614, 12219), (2421, 8146), (4073, 4842)]