18919806

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{24071}}^1$

素因数の和:24207

約数の個数: 16

約数和(自身を含む): 38130048

約数和(自身を除く): 19210242

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 24071, 48142, 72213, 144426, 3153301, 6306602, 9459903, 18919806]

約数ペア:

[(1, 18919806), (2, 9459903), (3, 6306602), (6, 3153301), (131, 144426), (262, 72213), (393, 48142), (786, 24071)]