19830140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3919}}^1$

素因数の和:3962

約数の個数: 48

約数和(自身を含む): 47416320

約数和(自身を除く): 27586180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 3919, 5060, 7838, 15676, 19595, 39190, 43109, 78380, 86218, 90137, 172436, 180274, 215545, 360548, 431090, 450685, 862180, 901370, 991507, 1802740, 1983014, 3966028, 4957535, 9915070, 19830140]

約数ペア:

[(1, 19830140), (2, 9915070), (4, 4957535), (5, 3966028), (10, 1983014), (11, 1802740), (20, 991507), (22, 901370), (23, 862180), (44, 450685), (46, 431090), (55, 360548), (92, 215545), (110, 180274), (115, 172436), (220, 90137), (230, 86218), (253, 78380), (460, 43109), (506, 39190), (1012, 19595), (1265, 15676), (2530, 7838), (3919, 5060)]