18887986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{283}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 32635008

約数和(自身を除く): 13747022

約数列:

[1, 2, 13, 17, 26, 34, 151, 221, 283, 302, 442, 566, 1963, 2567, 3679, 3926, 4811, 5134, 7358, 9622, 33371, 42733, 62543, 66742, 85466, 125086, 555529, 726461, 1111058, 1452922, 9443993, 18887986]

約数ペア:

[(1, 18887986), (2, 9443993), (13, 1452922), (17, 1111058), (26, 726461), (34, 555529), (151, 125086), (221, 85466), (283, 66742), (302, 62543), (442, 42733), (566, 33371), (1963, 9622), (2567, 7358), (3679, 5134), (3926, 4811)]