18865899

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{911}}^1$

素因数の和:992

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 11777301

約数列:

[1, 3, 9, 13, 27, 39, 59, 117, 177, 351, 531, 767, 911, 1593, 2301, 2733, 6903, 8199, 11843, 20709, 24597, 35529, 53749, 106587, 161247, 319761, 483741, 698737, 1451223, 2096211, 6288633, 18865899]

約数ペア:

[(1, 18865899), (3, 6288633), (9, 2096211), (13, 1451223), (27, 698737), (39, 483741), (59, 319761), (117, 161247), (177, 106587), (351, 53749), (531, 35529), (767, 24597), (911, 20709), (1593, 11843), (2301, 8199), (2733, 6903)]