18629836

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1217}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 33762960

約数和(自身を除く): 15133124

約数列:

[1, 2, 4, 43, 86, 89, 172, 178, 356, 1217, 2434, 3827, 4868, 7654, 15308, 52331, 104662, 108313, 209324, 216626, 433252, 4657459, 9314918, 18629836]

約数ペア:

[(1, 18629836), (2, 9314918), (4, 4657459), (43, 433252), (86, 216626), (89, 209324), (172, 108313), (178, 104662), (356, 52331), (1217, 15308), (2434, 7654), (3827, 4868)]