19831825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 26734400

約数和(自身を除く): 6902575

約数列:

[1, 5, 13, 25, 65, 139, 325, 439, 695, 1807, 2195, 3475, 5707, 9035, 10975, 28535, 45175, 61021, 142675, 305105, 793273, 1525525, 3966365, 19831825]

約数ペア:

[(1, 19831825), (5, 3966365), (13, 1525525), (25, 793273), (65, 305105), (139, 142675), (325, 61021), (439, 45175), (695, 28535), (1807, 10975), (2195, 9035), (3475, 5707)]