18257109

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15101}}^1$

素因数の和:15148

約数の個数: 16

約数和(自身を含む): 27062784

約数和(自身を除く): 8805675

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 15101, 45303, 196313, 468131, 588939, 1404393, 6085703, 18257109]

約数ペア:

[(1, 18257109), (3, 6085703), (13, 1404393), (31, 588939), (39, 468131), (93, 196313), (403, 45303), (1209, 15101)]