18561010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2131}}^1$

素因数の和:2218

約数の個数: 32

約数和(自身を含む): 36533952

約数和(自身を除く): 17972942

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 2131, 4262, 4355, 8710, 10655, 21310, 27703, 55406, 138515, 142777, 277030, 285554, 713885, 1427770, 1856101, 3712202, 9280505, 18561010]

約数ペア:

[(1, 18561010), (2, 9280505), (5, 3712202), (10, 1856101), (13, 1427770), (26, 713885), (65, 285554), (67, 277030), (130, 142777), (134, 138515), (335, 55406), (670, 27703), (871, 21310), (1742, 10655), (2131, 8710), (4262, 4355)]