19801014372

素因数分解:

$2^2\times 3^2\times {\mathrm{550028177}}^1$

素因数の和:550028187

約数の個数: 18

約数和(自身を含む): 50052564198

約数和(自身を除く): 30251549826

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 550028177, 1100056354, 1650084531, 2200112708, 3300169062, 4950253593, 6600338124, 9900507186, 19801014372]

約数ペア:

[(1, 19801014372), (2, 9900507186), (3, 6600338124), (4, 4950253593), (6, 3300169062), (9, 2200112708), (12, 1650084531), (18, 1100056354), (36, 550028177)]