18746392

素因数分解:

$2^3\times 7^1\times {\mathrm{557}}^1\times {\mathrm{601}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 40309920

約数和(自身を除く): 21563528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 557, 601, 1114, 1202, 2228, 2404, 3899, 4207, 4456, 4808, 7798, 8414, 15596, 16828, 31192, 33656, 334757, 669514, 1339028, 2343299, 2678056, 4686598, 9373196, 18746392]

約数ペア:

[(1, 18746392), (2, 9373196), (4, 4686598), (7, 2678056), (8, 2343299), (14, 1339028), (28, 669514), (56, 334757), (557, 33656), (601, 31192), (1114, 16828), (1202, 15596), (2228, 8414), (2404, 7798), (3899, 4808), (4207, 4456)]