18649620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9419}}^1$

素因数の和:9445

約数の個数: 72

約数和(自身を含む): 61719840

約数和(自身を除く): 43070220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 9419, 18838, 28257, 37676, 47095, 56514, 84771, 94190, 103609, 113028, 141285, 169542, 188380, 207218, 282570, 310827, 339084, 414436, 423855, 518045, 565140, 621654, 847710, 932481, 1036090, 1243308, 1554135, 1695420, 1864962, 2072180, 3108270, 3729924, 4662405, 6216540, 9324810, 18649620]

約数ペア:

[(1, 18649620), (2, 9324810), (3, 6216540), (4, 4662405), (5, 3729924), (6, 3108270), (9, 2072180), (10, 1864962), (11, 1695420), (12, 1554135), (15, 1243308), (18, 1036090), (20, 932481), (22, 847710), (30, 621654), (33, 565140), (36, 518045), (44, 423855), (45, 414436), (55, 339084), (60, 310827), (66, 282570), (90, 207218), (99, 188380), (110, 169542), (132, 141285), (165, 113028), (180, 103609), (198, 94190), (220, 84771), (330, 56514), (396, 47095), (495, 37676), (660, 28257), (990, 18838), (1980, 9419)]