18291992

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1117}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 36223200

約数和(自身を除く): 17931208

約数列:

[1, 2, 4, 8, 23, 46, 89, 92, 178, 184, 356, 712, 1117, 2047, 2234, 4094, 4468, 8188, 8936, 16376, 25691, 51382, 99413, 102764, 198826, 205528, 397652, 795304, 2286499, 4572998, 9145996, 18291992]

約数ペア:

[(1, 18291992), (2, 9145996), (4, 4572998), (8, 2286499), (23, 795304), (46, 397652), (89, 205528), (92, 198826), (178, 102764), (184, 99413), (356, 51382), (712, 25691), (1117, 16376), (2047, 8936), (2234, 8188), (4094, 4468)]