18780745786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{1291483}}^1$

素因数の和:1292157

約数の個数: 16

約数和(自身を含む): 30778646688

約数和(自身を除く): 11997900902

約数列:

[1, 2, 11, 22, 661, 1322, 7271, 14542, 1291483, 2582966, 14206313, 28412626, 853670263, 1707340526, 9390372893, 18780745786]

約数ペア:

[(1, 18780745786), (2, 9390372893), (11, 1707340526), (22, 853670263), (661, 28412626), (1322, 14206313), (7271, 2582966), (14542, 1291483)]