19643380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42703}}^1$

素因数の和:42735

約数の個数: 24

約数和(自身を含む): 43045632

約数和(自身を除く): 23402252

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 42703, 85406, 170812, 213515, 427030, 854060, 982169, 1964338, 3928676, 4910845, 9821690, 19643380]

約数ペア:

[(1, 19643380), (2, 9821690), (4, 4910845), (5, 3928676), (10, 1964338), (20, 982169), (23, 854060), (46, 427030), (92, 213515), (115, 170812), (230, 85406), (460, 42703)]