18387645

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 12025155

約数列:

[1, 3, 5, 15, 59, 79, 177, 237, 263, 295, 395, 789, 885, 1185, 1315, 3945, 4661, 13983, 15517, 20777, 23305, 46551, 62331, 69915, 77585, 103885, 232755, 311655, 1225843, 3677529, 6129215, 18387645]

約数ペア:

[(1, 18387645), (3, 6129215), (5, 3677529), (15, 1225843), (59, 311655), (79, 232755), (177, 103885), (237, 77585), (263, 69915), (295, 62331), (395, 46551), (789, 23305), (885, 20777), (1185, 15517), (1315, 13983), (3945, 4661)]