18197413

素因数分解:

${\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 21081600

約数和(自身を除く): 2884187

約数列:

[1, 13, 29, 47, 79, 169, 377, 611, 1027, 1363, 2291, 3713, 4901, 7943, 13351, 17719, 29783, 48269, 107677, 230347, 387179, 627497, 1399801, 18197413]

約数ペア:

[(1, 18197413), (13, 1399801), (29, 627497), (47, 387179), (79, 230347), (169, 107677), (377, 48269), (611, 29783), (1027, 17719), (1363, 13351), (2291, 7943), (3713, 4901)]