13440068

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1987}}^1$

素因数の和:2099

約数の個数: 24

約数和(自身を含む): 25048800

約数和(自身を除く): 11608732

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 1987, 3382, 3974, 6764, 7948, 37753, 75506, 151012, 176843, 353686, 707372, 3360017, 6720034, 13440068]

約数ペア:

[(1, 13440068), (2, 6720034), (4, 3360017), (19, 707372), (38, 353686), (76, 176843), (89, 151012), (178, 75506), (356, 37753), (1691, 7948), (1987, 6764), (3382, 3974)]