19948575

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{13999}}^1$

素因数の和:14031

約数の個数: 24

約数和(自身を含む): 34720000

約数和(自身を除く): 14771425

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 13999, 41997, 69995, 209985, 265981, 349975, 797943, 1049925, 1329905, 3989715, 6649525, 19948575]

約数ペア:

[(1, 19948575), (3, 6649525), (5, 3989715), (15, 1329905), (19, 1049925), (25, 797943), (57, 349975), (75, 265981), (95, 209985), (285, 69995), (475, 41997), (1425, 13999)]