19985868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79309}}^1$

素因数の和:79326

約数の個数: 36

約数和(自身を含む): 57737680

約数和(自身を除く): 37751812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 79309, 158618, 237927, 317236, 475854, 555163, 713781, 951708, 1110326, 1427562, 1665489, 2220652, 2855124, 3330978, 4996467, 6661956, 9992934, 19985868]

約数ペア:

[(1, 19985868), (2, 9992934), (3, 6661956), (4, 4996467), (6, 3330978), (7, 2855124), (9, 2220652), (12, 1665489), (14, 1427562), (18, 1110326), (21, 951708), (28, 713781), (36, 555163), (42, 475854), (63, 317236), (84, 237927), (126, 158618), (252, 79309)]