19540944

素因数分解:

$2^4\times 3^2\times {\mathrm{135701}}^1$

素因数の和:135715

約数の個数: 30

約数和(自身を含む): 54687906

約数和(自身を除く): 35146962

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 135701, 271402, 407103, 542804, 814206, 1085608, 1221309, 1628412, 2171216, 2442618, 3256824, 4885236, 6513648, 9770472, 19540944]

約数ペア:

[(1, 19540944), (2, 9770472), (3, 6513648), (4, 4885236), (6, 3256824), (8, 2442618), (9, 2171216), (12, 1628412), (16, 1221309), (18, 1085608), (24, 814206), (36, 542804), (48, 407103), (72, 271402), (144, 135701)]