18778864806

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{80251559}}^1$

素因数の和:80251580

約数の個数: 24

約数和(自身を含む): 43817351760

約数和(自身を除く): 25038486954

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 80251559, 160503118, 240754677, 481509354, 722264031, 1043270267, 1444528062, 2086540534, 3129810801, 6259621602, 9389432403, 18778864806]

約数ペア:

[(1, 18778864806), (2, 9389432403), (3, 6259621602), (6, 3129810801), (9, 2086540534), (13, 1444528062), (18, 1043270267), (26, 722264031), (39, 481509354), (78, 240754677), (117, 160503118), (234, 80251559)]