19740545

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 26480832

約数和(自身を除く): 6740287

約数列:

[1, 5, 11, 55, 67, 121, 335, 487, 605, 737, 2435, 3685, 5357, 8107, 26785, 32629, 40535, 58927, 163145, 294635, 358919, 1794595, 3948109, 19740545]

約数ペア:

[(1, 19740545), (5, 3948109), (11, 1794595), (55, 358919), (67, 294635), (121, 163145), (335, 58927), (487, 40535), (605, 32629), (737, 26785), (2435, 8107), (3685, 5357)]