19771173

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 29385720

約数和(自身を除く): 9614547

約数列:

[1, 3, 9, 53, 159, 181, 229, 477, 543, 687, 1629, 2061, 9593, 12137, 28779, 36411, 41449, 86337, 109233, 124347, 373041, 2196797, 6590391, 19771173]

約数ペア:

[(1, 19771173), (3, 6590391), (9, 2196797), (53, 373041), (159, 124347), (181, 109233), (229, 86337), (477, 41449), (543, 36411), (687, 28779), (1629, 12137), (2061, 9593)]