19745578

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{5581}}^1$

素因数の和:5673

約数の個数: 16

約数和(自身を含む): 31147560

約数和(自身を除く): 11401982

約数列:

[1, 2, 29, 58, 61, 122, 1769, 3538, 5581, 11162, 161849, 323698, 340441, 680882, 9872789, 19745578]

約数ペア:

[(1, 19745578), (2, 9872789), (29, 680882), (58, 340441), (61, 323698), (122, 161849), (1769, 11162), (3538, 5581)]