19642675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3181}}^1$

素因数の和:3223

約数の個数: 24

約数和(自身を含む): 27619760

約数和(自身を除く): 7977085

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 3181, 6175, 15905, 41353, 60439, 79525, 206765, 302195, 785707, 1033825, 1510975, 3928535, 19642675]

約数ペア:

[(1, 19642675), (5, 3928535), (13, 1510975), (19, 1033825), (25, 785707), (65, 302195), (95, 206765), (247, 79525), (325, 60439), (475, 41353), (1235, 15905), (3181, 6175)]