18660472

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 35809200

約数和(自身を除く): 17148728

約数列:

[1, 2, 4, 8, 97, 139, 173, 194, 278, 346, 388, 556, 692, 776, 1112, 1384, 13483, 16781, 24047, 26966, 33562, 48094, 53932, 67124, 96188, 107864, 134248, 192376, 2332559, 4665118, 9330236, 18660472]

約数ペア:

[(1, 18660472), (2, 9330236), (4, 4665118), (8, 2332559), (97, 192376), (139, 134248), (173, 107864), (194, 96188), (278, 67124), (346, 53932), (388, 48094), (556, 33562), (692, 26966), (776, 24047), (1112, 16781), (1384, 13483)]