18939240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{52609}}^1$

素因数の和:52626

約数の個数: 48

約数和(自身を含む): 61553700

約数和(自身を除く): 42614460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 52609, 105218, 157827, 210436, 263045, 315654, 420872, 473481, 526090, 631308, 789135, 946962, 1052180, 1262616, 1578270, 1893924, 2104360, 2367405, 3156540, 3787848, 4734810, 6313080, 9469620, 18939240]

約数ペア:

[(1, 18939240), (2, 9469620), (3, 6313080), (4, 4734810), (5, 3787848), (6, 3156540), (8, 2367405), (9, 2104360), (10, 1893924), (12, 1578270), (15, 1262616), (18, 1052180), (20, 946962), (24, 789135), (30, 631308), (36, 526090), (40, 473481), (45, 420872), (60, 315654), (72, 263045), (90, 210436), (120, 157827), (180, 105218), (360, 52609)]