19922722

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{2237}}^1$

素因数の和:2373

約数の個数: 16

約数和(自身を含む): 30803832

約数和(自身を除く): 10881110

約数列:

[1, 2, 61, 73, 122, 146, 2237, 4453, 4474, 8906, 136457, 163301, 272914, 326602, 9961361, 19922722]

約数ペア:

[(1, 19922722), (2, 9961361), (61, 326602), (73, 272914), (122, 163301), (146, 136457), (2237, 8906), (4453, 4474)]