19997130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2789}}^1$

素因数の和:3038

約数の個数: 32

約数和(自身を含む): 48211200

約数和(自身を除く): 28214070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 239, 478, 717, 1195, 1434, 2390, 2789, 3585, 5578, 7170, 8367, 13945, 16734, 27890, 41835, 83670, 666571, 1333142, 1999713, 3332855, 3999426, 6665710, 9998565, 19997130]

約数ペア:

[(1, 19997130), (2, 9998565), (3, 6665710), (5, 3999426), (6, 3332855), (10, 1999713), (15, 1333142), (30, 666571), (239, 83670), (478, 41835), (717, 27890), (1195, 16734), (1434, 13945), (2390, 8367), (2789, 7170), (3585, 5578)]