19385925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{337}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 35206080

約数和(自身を除く): 15820155

約数列:

[1, 3, 5, 13, 15, 25, 39, 59, 65, 75, 177, 195, 295, 325, 337, 767, 885, 975, 1011, 1475, 1685, 2301, 3835, 4381, 4425, 5055, 8425, 11505, 13143, 19175, 19883, 21905, 25275, 57525, 59649, 65715, 99415, 109525, 258479, 298245, 328575, 497075, 775437, 1292395, 1491225, 3877185, 6461975, 19385925]

約数ペア:

[(1, 19385925), (3, 6461975), (5, 3877185), (13, 1491225), (15, 1292395), (25, 775437), (39, 497075), (59, 328575), (65, 298245), (75, 258479), (177, 109525), (195, 99415), (295, 65715), (325, 59649), (337, 57525), (767, 25275), (885, 21905), (975, 19883), (1011, 19175), (1475, 13143), (1685, 11505), (2301, 8425), (3835, 5055), (4381, 4425)]