19156171

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:522

約数の個数: 16

約数和(自身を含む): 20994048

約数和(自身を除く): 1837877

約数列:

[1, 23, 31, 67, 401, 713, 1541, 2077, 9223, 12431, 26867, 47771, 285913, 617941, 832877, 19156171]

約数ペア:

[(1, 19156171), (23, 832877), (31, 617941), (67, 285913), (401, 47771), (713, 26867), (1541, 12431), (2077, 9223)]