19382025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 35025536

約数和(自身を除く): 15643511

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 103, 193, 195, 309, 325, 515, 579, 965, 975, 1339, 1545, 2509, 2575, 2895, 4017, 4825, 6695, 7527, 7725, 12545, 14475, 19879, 20085, 33475, 37635, 59637, 62725, 99395, 100425, 188175, 258427, 298185, 496975, 775281, 1292135, 1490925, 3876405, 6460675, 19382025]

約数ペア:

[(1, 19382025), (3, 6460675), (5, 3876405), (13, 1490925), (15, 1292135), (25, 775281), (39, 496975), (65, 298185), (75, 258427), (103, 188175), (193, 100425), (195, 99395), (309, 62725), (325, 59637), (515, 37635), (579, 33475), (965, 20085), (975, 19879), (1339, 14475), (1545, 12545), (2509, 7725), (2575, 7527), (2895, 6695), (4017, 4825)]