20186421723

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19170391}}^1$

素因数の和:19170416

約数の個数: 20

約数和(自身を含む): 32474644048

約数和(自身を除く): 12288222325

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19170391, 57511173, 172533519, 249215083, 517600557, 747645249, 1552801671, 2242935747, 6728807241, 20186421723]

約数ペア:

[(1, 20186421723), (3, 6728807241), (9, 2242935747), (13, 1552801671), (27, 747645249), (39, 517600557), (81, 249215083), (117, 172533519), (351, 57511173), (1053, 19170391)]