9920793618

素因数分解:

$2^1\times 3^2\times {\mathrm{551155201}}^1$

素因数の和:551155209

約数の個数: 12

約数和(自身を含む): 21495052878

約数和(自身を除く): 11574259260

約数列:

[1, 2, 3, 6, 9, 18, 551155201, 1102310402, 1653465603, 3306931206, 4960396809, 9920793618]

約数ペア:

[(1, 9920793618), (2, 4960396809), (3, 3306931206), (6, 1653465603), (9, 1102310402), (18, 551155201)]