18724185

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 34444800

約数和(自身を除く): 15720615

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 79, 115, 207, 229, 237, 345, 395, 687, 711, 1035, 1145, 1185, 1817, 2061, 3435, 3555, 5267, 5451, 9085, 10305, 15801, 16353, 18091, 26335, 27255, 47403, 54273, 79005, 81765, 90455, 162819, 237015, 271365, 416093, 814095, 1248279, 2080465, 3744837, 6241395, 18724185]

約数ペア:

[(1, 18724185), (3, 6241395), (5, 3744837), (9, 2080465), (15, 1248279), (23, 814095), (45, 416093), (69, 271365), (79, 237015), (115, 162819), (207, 90455), (229, 81765), (237, 79005), (345, 54273), (395, 47403), (687, 27255), (711, 26335), (1035, 18091), (1145, 16353), (1185, 15801), (1817, 10305), (2061, 9085), (3435, 5451), (3555, 5267)]