19806372

素因数分解:

$2^2\times 3^2\times {\mathrm{550177}}^1$

素因数の和:550187

約数の個数: 18

約数和(自身を含む): 50066198

約数和(自身を除く): 30259826

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 550177, 1100354, 1650531, 2200708, 3301062, 4951593, 6602124, 9903186, 19806372]

約数ペア:

[(1, 19806372), (2, 9903186), (3, 6602124), (4, 4951593), (6, 3301062), (9, 2200708), (12, 1650531), (18, 1100354), (36, 550177)]