18119960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26647}}^1$

素因数の和:26675

約数の個数: 32

約数和(自身を含む): 43169760

約数和(自身を除く): 25049800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 26647, 53294, 106588, 133235, 213176, 266470, 452999, 532940, 905998, 1065880, 1811996, 2264995, 3623992, 4529990, 9059980, 18119960]

約数ペア:

[(1, 18119960), (2, 9059980), (4, 4529990), (5, 3623992), (8, 2264995), (10, 1811996), (17, 1065880), (20, 905998), (34, 532940), (40, 452999), (68, 266470), (85, 213176), (136, 133235), (170, 106588), (340, 53294), (680, 26647)]