18704270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143879}}^1$

素因数の和:143899

約数の個数: 16

約数和(自身を含む): 36257760

約数和(自身を除く): 17553490

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 143879, 287758, 719395, 1438790, 1870427, 3740854, 9352135, 18704270]

約数ペア:

[(1, 18704270), (2, 9352135), (5, 3740854), (10, 1870427), (13, 1438790), (26, 719395), (65, 287758), (130, 143879)]