18450000009

素因数分解:

$3^2\times 7^1\times {\mathrm{823}}^1\times {\mathrm{355841}}^1$

素因数の和:356677

約数の個数: 24

約数和(自身を含む): 30494236032

約数和(自身を除く): 12044236023

約数列:

[1, 3, 7, 9, 21, 63, 823, 2469, 5761, 7407, 17283, 51849, 355841, 1067523, 2490887, 3202569, 7472661, 22417983, 292857143, 878571429, 2050000001, 2635714287, 6150000003, 18450000009]

約数ペア:

[(1, 18450000009), (3, 6150000003), (7, 2635714287), (9, 2050000001), (21, 878571429), (63, 292857143), (823, 22417983), (2469, 7472661), (5761, 3202569), (7407, 2490887), (17283, 1067523), (51849, 355841)]