18718236

素因数分解:

$2^2\times 3^3\times {\mathrm{263}}^1\times {\mathrm{659}}^1$

素因数の和:935

約数の個数: 48

約数和(自身を含む): 48787200

約数和(自身を除く): 30068964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 263, 526, 659, 789, 1052, 1318, 1578, 1977, 2367, 2636, 3156, 3954, 4734, 5931, 7101, 7908, 9468, 11862, 14202, 17793, 23724, 28404, 35586, 71172, 173317, 346634, 519951, 693268, 1039902, 1559853, 2079804, 3119706, 4679559, 6239412, 9359118, 18718236]

約数ペア:

[(1, 18718236), (2, 9359118), (3, 6239412), (4, 4679559), (6, 3119706), (9, 2079804), (12, 1559853), (18, 1039902), (27, 693268), (36, 519951), (54, 346634), (108, 173317), (263, 71172), (526, 35586), (659, 28404), (789, 23724), (1052, 17793), (1318, 14202), (1578, 11862), (1977, 9468), (2367, 7908), (2636, 7101), (3156, 5931), (3954, 4734)]