18574984

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 36630720

約数和(自身を除く): 18055736

約数列:

[1, 2, 4, 8, 23, 46, 92, 157, 184, 314, 628, 643, 1256, 1286, 2572, 3611, 5144, 7222, 14444, 14789, 28888, 29578, 59156, 100951, 118312, 201902, 403804, 807608, 2321873, 4643746, 9287492, 18574984]

約数ペア:

[(1, 18574984), (2, 9287492), (4, 4643746), (8, 2321873), (23, 807608), (46, 403804), (92, 201902), (157, 118312), (184, 100951), (314, 59156), (628, 29578), (643, 28888), (1256, 14789), (1286, 14444), (2572, 7222), (3611, 5144)]