18777564

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{40123}}^1$

素因数の和:40146

約数の個数: 36

約数和(自身を含む): 51117976

約数和(自身を除く): 32340412

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 40123, 80246, 120369, 160492, 240738, 361107, 481476, 521599, 722214, 1043198, 1444428, 1564797, 2086396, 3129594, 4694391, 6259188, 9388782, 18777564]

約数ペア:

[(1, 18777564), (2, 9388782), (3, 6259188), (4, 4694391), (6, 3129594), (9, 2086396), (12, 1564797), (13, 1444428), (18, 1043198), (26, 722214), (36, 521599), (39, 481476), (52, 361107), (78, 240738), (117, 160492), (156, 120369), (234, 80246), (468, 40123)]