18354180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23531}}^1$

素因数の和:23556

約数の個数: 48

約数和(自身を含む): 55347264

約数和(自身を除く): 36993084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23531, 47062, 70593, 94124, 117655, 141186, 235310, 282372, 305903, 352965, 470620, 611806, 705930, 917709, 1223612, 1411860, 1529515, 1835418, 3059030, 3670836, 4588545, 6118060, 9177090, 18354180]

約数ペア:

[(1, 18354180), (2, 9177090), (3, 6118060), (4, 4588545), (5, 3670836), (6, 3059030), (10, 1835418), (12, 1529515), (13, 1411860), (15, 1223612), (20, 917709), (26, 705930), (30, 611806), (39, 470620), (52, 352965), (60, 305903), (65, 282372), (78, 235310), (130, 141186), (156, 117655), (195, 94124), (260, 70593), (390, 47062), (780, 23531)]