7209740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18973}}^1$

素因数の和:19001

約数の個数: 24

約数和(自身を含む): 15938160

約数和(自身を除く): 8728420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 18973, 37946, 75892, 94865, 189730, 360487, 379460, 720974, 1441948, 1802435, 3604870, 7209740]

約数ペア:

[(1, 7209740), (2, 3604870), (4, 1802435), (5, 1441948), (10, 720974), (19, 379460), (20, 360487), (38, 189730), (76, 94865), (95, 75892), (190, 37946), (380, 18973)]