19864634

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{811}}^1$

素因数の和:1181

約数の個数: 16

約数和(自身を含む): 30732576

約数和(自身を除く): 10867942

約数列:

[1, 2, 37, 74, 331, 662, 811, 1622, 12247, 24494, 30007, 60014, 268441, 536882, 9932317, 19864634]

約数ペア:

[(1, 19864634), (2, 9932317), (37, 536882), (74, 268441), (331, 60014), (662, 30007), (811, 24494), (1622, 12247)]