18957540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45137}}^1$

素因数の和:45156

約数の個数: 48

約数和(自身を含む): 60665472

約数和(自身を除く): 41707932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45137, 90274, 135411, 180548, 225685, 270822, 315959, 451370, 541644, 631918, 677055, 902740, 947877, 1263836, 1354110, 1579795, 1895754, 2708220, 3159590, 3791508, 4739385, 6319180, 9478770, 18957540]

約数ペア:

[(1, 18957540), (2, 9478770), (3, 6319180), (4, 4739385), (5, 3791508), (6, 3159590), (7, 2708220), (10, 1895754), (12, 1579795), (14, 1354110), (15, 1263836), (20, 947877), (21, 902740), (28, 677055), (30, 631918), (35, 541644), (42, 451370), (60, 315959), (70, 270822), (84, 225685), (105, 180548), (140, 135411), (210, 90274), (420, 45137)]