19813090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6211}}^1$

素因数の和:6258

約数の個数: 32

約数和(自身を含む): 40253760

約数和(自身を除く): 20440670

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 6211, 12422, 31055, 62110, 68321, 136642, 180119, 341605, 360238, 683210, 900595, 1801190, 1981309, 3962618, 9906545, 19813090]

約数ペア:

[(1, 19813090), (2, 9906545), (5, 3962618), (10, 1981309), (11, 1801190), (22, 900595), (29, 683210), (55, 360238), (58, 341605), (110, 180119), (145, 136642), (290, 68321), (319, 62110), (638, 31055), (1595, 12422), (3190, 6211)]