18854917

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:324

約数の個数: 16

約数和(自身を含む): 20355840

約数和(自身を除く): 1500923

約数列:

[1, 23, 61, 89, 151, 1403, 2047, 3473, 5429, 9211, 13439, 124867, 211853, 309097, 819779, 18854917]

約数ペア:

[(1, 18854917), (23, 819779), (61, 309097), (89, 211853), (151, 124867), (1403, 13439), (2047, 9211), (3473, 5429)]