18874726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42703}}^1$

素因数の和:42735

約数の個数: 16

約数和(自身を含む): 32284224

約数和(自身を除く): 13409498

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 42703, 85406, 555139, 725951, 1110278, 1451902, 9437363, 18874726]

約数ペア:

[(1, 18874726), (2, 9437363), (13, 1451902), (17, 1110278), (26, 725951), (34, 555139), (221, 85406), (442, 42703)]