18739380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28393}}^1$

素因数の和:28416

約数の個数: 48

約数和(自身を含む): 57242304

約数和(自身を除く): 38502924

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, 28393, 56786, 85179, 113572, 141965, 170358, 283930, 312323, 340716, 425895, 567860, 624646, 851790, 936969, 1249292, 1561615, 1703580, 1873938, 3123230, 3747876, 4684845, 6246460, 9369690, 18739380]

約数ペア:

[(1, 18739380), (2, 9369690), (3, 6246460), (4, 4684845), (5, 3747876), (6, 3123230), (10, 1873938), (11, 1703580), (12, 1561615), (15, 1249292), (20, 936969), (22, 851790), (30, 624646), (33, 567860), (44, 425895), (55, 340716), (60, 312323), (66, 283930), (110, 170358), (132, 141965), (165, 113572), (220, 85179), (330, 56786), (660, 28393)]