18254005

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2789}}^1$

素因数の和:2829

約数の個数: 32

約数和(自身を含む): 28926720

約数和(自身を除く): 10672715

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 2789, 6545, 13945, 19523, 30679, 47413, 97615, 153395, 214753, 237065, 331891, 521543, 1073765, 1659455, 2607715, 3650801, 18254005]

約数ペア:

[(1, 18254005), (5, 3650801), (7, 2607715), (11, 1659455), (17, 1073765), (35, 521543), (55, 331891), (77, 237065), (85, 214753), (119, 153395), (187, 97615), (385, 47413), (595, 30679), (935, 19523), (1309, 13945), (2789, 6545)]