18101215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{829}}^1$

素因数の和:1242

約数の個数: 16

約数和(自身を含む): 23784480

約数和(自身を除く): 5683265

約数列:

[1, 5, 11, 55, 397, 829, 1985, 4145, 4367, 9119, 21835, 45595, 329113, 1645565, 3620243, 18101215]

約数ペア:

[(1, 18101215), (5, 3620243), (11, 1645565), (55, 329113), (397, 45595), (829, 21835), (1985, 9119), (4145, 4367)]