19178115

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2473}}^1$

素因数の和:2539

約数の個数: 32

約数和(自身を含む): 34200576

約数和(自身を除く): 15022461

約数列:

[1, 3, 5, 11, 15, 33, 47, 55, 141, 165, 235, 517, 705, 1551, 2473, 2585, 7419, 7755, 12365, 27203, 37095, 81609, 116231, 136015, 348693, 408045, 581155, 1278541, 1743465, 3835623, 6392705, 19178115]

約数ペア:

[(1, 19178115), (3, 6392705), (5, 3835623), (11, 1743465), (15, 1278541), (33, 581155), (47, 408045), (55, 348693), (141, 136015), (165, 116231), (235, 81609), (517, 37095), (705, 27203), (1551, 12365), (2473, 7755), (2585, 7419)]