18915408

素因数分解:

$2^4\times 3^2\times {\mathrm{131357}}^1$

素因数の和:131371

約数の個数: 30

約数和(自身を含む): 52937274

約数和(自身を除く): 34021866

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 131357, 262714, 394071, 525428, 788142, 1050856, 1182213, 1576284, 2101712, 2364426, 3152568, 4728852, 6305136, 9457704, 18915408]

約数ペア:

[(1, 18915408), (2, 9457704), (3, 6305136), (4, 4728852), (6, 3152568), (8, 2364426), (9, 2101712), (12, 1576284), (16, 1182213), (18, 1050856), (24, 788142), (36, 525428), (48, 394071), (72, 262714), (144, 131357)]