19660464

素因数分解:

$2^4\times 3^2\times {\mathrm{136531}}^1$

素因数の和:136545

約数の個数: 30

約数和(自身を含む): 55022396

約数和(自身を除く): 35361932

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 136531, 273062, 409593, 546124, 819186, 1092248, 1228779, 1638372, 2184496, 2457558, 3276744, 4915116, 6553488, 9830232, 19660464]

約数ペア:

[(1, 19660464), (2, 9830232), (3, 6553488), (4, 4915116), (6, 3276744), (8, 2457558), (9, 2184496), (12, 1638372), (16, 1228779), (18, 1092248), (24, 819186), (36, 546124), (48, 409593), (72, 273062), (144, 136531)]