18490980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{10627}}^1$

素因数の和:10668

約数の個数: 48

約数和(自身を含む): 53565120

約数和(自身を除く): 35074140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 10627, 21254, 31881, 42508, 53135, 63762, 106270, 127524, 159405, 212540, 308183, 318810, 616366, 637620, 924549, 1232732, 1540915, 1849098, 3081830, 3698196, 4622745, 6163660, 9245490, 18490980]

約数ペア:

[(1, 18490980), (2, 9245490), (3, 6163660), (4, 4622745), (5, 3698196), (6, 3081830), (10, 1849098), (12, 1540915), (15, 1232732), (20, 924549), (29, 637620), (30, 616366), (58, 318810), (60, 308183), (87, 212540), (116, 159405), (145, 127524), (174, 106270), (290, 63762), (348, 53135), (435, 42508), (580, 31881), (870, 21254), (1740, 10627)]