19788834

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{253703}}^1$

素因数の和:253721

約数の個数: 16

約数和(自身を含む): 42622272

約数和(自身を除く): 22833438

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 253703, 507406, 761109, 1522218, 3298139, 6596278, 9894417, 19788834]

約数ペア:

[(1, 19788834), (2, 9894417), (3, 6596278), (6, 3298139), (13, 1522218), (26, 761109), (39, 507406), (78, 253703)]