18971856

素因数分解:

$2^4\times 3^2\times {\mathrm{131749}}^1$

素因数の和:131763

約数の個数: 30

約数和(自身を含む): 53095250

約数和(自身を除く): 34123394

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 131749, 263498, 395247, 526996, 790494, 1053992, 1185741, 1580988, 2107984, 2371482, 3161976, 4742964, 6323952, 9485928, 18971856]

約数ペア:

[(1, 18971856), (2, 9485928), (3, 6323952), (4, 4742964), (6, 3161976), (8, 2371482), (9, 2107984), (12, 1580988), (16, 1185741), (18, 1053992), (24, 790494), (36, 526996), (48, 395247), (72, 263498), (144, 131749)]