18729682

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 31819392

約数和(自身を除く): 13089710

約数列:

[1, 2, 17, 23, 34, 43, 46, 86, 391, 557, 731, 782, 989, 1114, 1462, 1978, 9469, 12811, 16813, 18938, 23951, 25622, 33626, 47902, 217787, 407167, 435574, 550873, 814334, 1101746, 9364841, 18729682]

約数ペア:

[(1, 18729682), (2, 9364841), (17, 1101746), (23, 814334), (34, 550873), (43, 435574), (46, 407167), (86, 217787), (391, 47902), (557, 33626), (731, 25622), (782, 23951), (989, 18938), (1114, 16813), (1462, 12811), (1978, 9469)]