19401950

素因数分解:

$2^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{2243}}^1$

素因数の和:2428

約数の個数: 24

約数和(自身を含む): 36312408

約数和(自身を除く): 16910458

約数列:

[1, 2, 5, 10, 25, 50, 173, 346, 865, 1730, 2243, 4325, 4486, 8650, 11215, 22430, 56075, 112150, 388039, 776078, 1940195, 3880390, 9700975, 19401950]

約数ペア:

[(1, 19401950), (2, 9700975), (5, 3880390), (10, 1940195), (25, 776078), (50, 388039), (173, 112150), (346, 56075), (865, 22430), (1730, 11215), (2243, 8650), (4325, 4486)]