18365780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2843}}^1$

素因数の和:2888

約数の個数: 48

約数和(自身を含む): 43001280

約数和(自身を除く): 24635500

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 2843, 3230, 5686, 6460, 11372, 14215, 28430, 48331, 54017, 56860, 96662, 108034, 193324, 216068, 241655, 270085, 483310, 540170, 918289, 966620, 1080340, 1836578, 3673156, 4591445, 9182890, 18365780]

約数ペア:

[(1, 18365780), (2, 9182890), (4, 4591445), (5, 3673156), (10, 1836578), (17, 1080340), (19, 966620), (20, 918289), (34, 540170), (38, 483310), (68, 270085), (76, 241655), (85, 216068), (95, 193324), (170, 108034), (190, 96662), (323, 56860), (340, 54017), (380, 48331), (646, 28430), (1292, 14215), (1615, 11372), (2843, 6460), (3230, 5686)]