18406380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2207}}^1$

素因数の和:2358

約数の個数: 48

約数和(自身を含む): 51932160

約数和(自身を除く): 33525780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2207, 2780, 4170, 4414, 6621, 8340, 8828, 11035, 13242, 22070, 26484, 33105, 44140, 66210, 132420, 306773, 613546, 920319, 1227092, 1533865, 1840638, 3067730, 3681276, 4601595, 6135460, 9203190, 18406380]

約数ペア:

[(1, 18406380), (2, 9203190), (3, 6135460), (4, 4601595), (5, 3681276), (6, 3067730), (10, 1840638), (12, 1533865), (15, 1227092), (20, 920319), (30, 613546), (60, 306773), (139, 132420), (278, 66210), (417, 44140), (556, 33105), (695, 26484), (834, 22070), (1390, 13242), (1668, 11035), (2085, 8828), (2207, 8340), (2780, 6621), (4170, 4414)]