18479419

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{863}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 23639040

約数和(自身を除く): 5159621

約数列:

[1, 7, 19, 23, 49, 133, 161, 437, 863, 931, 1127, 3059, 6041, 16397, 19849, 21413, 42287, 114779, 138943, 377131, 803453, 972601, 2639917, 18479419]

約数ペア:

[(1, 18479419), (7, 2639917), (19, 972601), (23, 803453), (49, 377131), (133, 138943), (161, 114779), (437, 42287), (863, 21413), (931, 19849), (1127, 16397), (3059, 6041)]