19165808

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{52081}}^1$

素因数の和:52112

約数の個数: 20

約数和(自身を含む): 38749008

約数和(自身を除く): 19583200

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 52081, 104162, 208324, 416648, 833296, 1197863, 2395726, 4791452, 9582904, 19165808]

約数ペア:

[(1, 19165808), (2, 9582904), (4, 4791452), (8, 2395726), (16, 1197863), (23, 833296), (46, 416648), (92, 208324), (184, 104162), (368, 52081)]