19658018

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{10909}}^1$

素因数の和:10981

約数の個数: 16

約数和(自身を含む): 31813560

約数和(自身を除く): 12155542

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 10909, 21818, 185453, 370906, 578177, 1156354, 9829009, 19658018]

約数ペア:

[(1, 19658018), (2, 9829009), (17, 1156354), (34, 578177), (53, 370906), (106, 185453), (901, 21818), (1802, 10909)]