18858180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28573}}^1$

素因数の和:28596

約数の個数: 48

約数和(自身を含む): 57605184

約数和(自身を除く): 38747004

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 28573, 57146, 85719, 114292, 142865, 171438, 285730, 314303, 342876, 428595, 571460, 628606, 857190, 942909, 1257212, 1571515, 1714380, 1885818, 3143030, 3771636, 4714545, 6286060, 9429090, 18858180]

約数ペア:

[(1, 18858180), (2, 9429090), (3, 6286060), (4, 4714545), (5, 3771636), (6, 3143030), (10, 1885818), (11, 1714380), (12, 1571515), (15, 1257212), (20, 942909), (22, 857190), (30, 628606), (33, 571460), (44, 428595), (55, 342876), (60, 314303), (66, 285730), (110, 171438), (132, 142865), (165, 114292), (220, 85719), (330, 57146), (660, 28573)]