19889356

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{557}}^1$

素因数の和:753

約数の個数: 24

約数和(自身を含む): 35622720

約数和(自身を除く): 15733364

約数列:

[1, 2, 4, 79, 113, 158, 226, 316, 452, 557, 1114, 2228, 8927, 17854, 35708, 44003, 62941, 88006, 125882, 176012, 251764, 4972339, 9944678, 19889356]

約数ペア:

[(1, 19889356), (2, 9944678), (4, 4972339), (79, 251764), (113, 176012), (158, 125882), (226, 88006), (316, 62941), (452, 44003), (557, 35708), (1114, 17854), (2228, 8927)]