18984726

素因数分解:

$2^1\times 3^3\times {\mathrm{239}}^1\times {\mathrm{1471}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 42393600

約数和(自身を除く): 23408874

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 239, 478, 717, 1434, 1471, 2151, 2942, 4302, 4413, 6453, 8826, 12906, 13239, 26478, 39717, 79434, 351569, 703138, 1054707, 2109414, 3164121, 6328242, 9492363, 18984726]

約数ペア:

[(1, 18984726), (2, 9492363), (3, 6328242), (6, 3164121), (9, 2109414), (18, 1054707), (27, 703138), (54, 351569), (239, 79434), (478, 39717), (717, 26478), (1434, 13239), (1471, 12906), (2151, 8826), (2942, 6453), (4302, 4413)]