19785456

素因数分解:

$2^4\times 3^2\times {\mathrm{137399}}^1$

素因数の和:137413

約数の個数: 30

約数和(自身を含む): 55372200

約数和(自身を除く): 35586744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 137399, 274798, 412197, 549596, 824394, 1099192, 1236591, 1648788, 2198384, 2473182, 3297576, 4946364, 6595152, 9892728, 19785456]

約数ペア:

[(1, 19785456), (2, 9892728), (3, 6595152), (4, 4946364), (6, 3297576), (8, 2473182), (9, 2198384), (12, 1648788), (16, 1236591), (18, 1099192), (24, 824394), (36, 549596), (48, 412197), (72, 274798), (144, 137399)]