19180975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3671}}^1$

素因数の和:3711

約数の個数: 24

約数和(自身を含む): 27319680

約数和(自身を除く): 8138705

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 3671, 5225, 18355, 40381, 69749, 91775, 201905, 348745, 767239, 1009525, 1743725, 3836195, 19180975]

約数ペア:

[(1, 19180975), (5, 3836195), (11, 1743725), (19, 1009525), (25, 767239), (55, 348745), (95, 201905), (209, 91775), (275, 69749), (475, 40381), (1045, 18355), (3671, 5225)]