18328688

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5279}}^1$

素因数の和:5325

約数の個数: 40

約数和(自身を含む): 41902080

約数和(自身を除く): 23573392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 5279, 10558, 21116, 36953, 42232, 73906, 84464, 147812, 163649, 295624, 327298, 591248, 654596, 1145543, 1309192, 2291086, 2618384, 4582172, 9164344, 18328688]

約数ペア:

[(1, 18328688), (2, 9164344), (4, 4582172), (7, 2618384), (8, 2291086), (14, 1309192), (16, 1145543), (28, 654596), (31, 591248), (56, 327298), (62, 295624), (112, 163649), (124, 147812), (217, 84464), (248, 73906), (434, 42232), (496, 36953), (868, 21116), (1736, 10558), (3472, 5279)]