18013965

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1723}}^1$

素因数の和:1789

約数の個数: 32

約数和(自身を含む): 31280256

約数和(自身を除く): 13266291

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 1723, 2091, 3485, 5169, 8615, 10455, 25845, 29291, 70643, 87873, 146455, 211929, 353215, 439365, 1059645, 1200931, 3602793, 6004655, 18013965]

約数ペア:

[(1, 18013965), (3, 6004655), (5, 3602793), (15, 1200931), (17, 1059645), (41, 439365), (51, 353215), (85, 211929), (123, 146455), (205, 87873), (255, 70643), (615, 29291), (697, 25845), (1723, 10455), (2091, 8615), (3485, 5169)]