18921540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28669}}^1$

素因数の和:28692

約数の個数: 48

約数和(自身を含む): 57798720

約数和(自身を除く): 38877180

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, 28669, 57338, 86007, 114676, 143345, 172014, 286690, 315359, 344028, 430035, 573380, 630718, 860070, 946077, 1261436, 1576795, 1720140, 1892154, 3153590, 3784308, 4730385, 6307180, 9460770, 18921540]

約数ペア:

[(1, 18921540), (2, 9460770), (3, 6307180), (4, 4730385), (5, 3784308), (6, 3153590), (10, 1892154), (11, 1720140), (12, 1576795), (15, 1261436), (20, 946077), (22, 860070), (30, 630718), (33, 573380), (44, 430035), (55, 344028), (60, 315359), (66, 286690), (110, 172014), (132, 143345), (165, 114676), (220, 86007), (330, 57338), (660, 28669)]