2018573921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1213}}^1\times {\mathrm{18287}}^1$

素因数の和:19520

約数の個数: 16

約数和(自身を含む): 2486582784

約数和(自身を除く): 468008863

約数列:

[1, 7, 13, 91, 1213, 8491, 15769, 18287, 110383, 128009, 237731, 1664117, 22182131, 155274917, 288367703, 2018573921]

約数ペア:

[(1, 2018573921), (7, 288367703), (13, 155274917), (91, 22182131), (1213, 1664117), (8491, 237731), (15769, 128009), (18287, 110383)]