19806284

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{260609}}^1$

素因数の和:260632

約数の個数: 12

約数和(自身を含む): 36485400

約数和(自身を除く): 16679116

約数列:

[1, 2, 4, 19, 38, 76, 260609, 521218, 1042436, 4951571, 9903142, 19806284]

約数ペア:

[(1, 19806284), (2, 9903142), (4, 4951571), (19, 1042436), (38, 521218), (76, 260609)]