18637814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 32205600

約数和(自身を除く): 13567786

約数列:

[1, 2, 13, 17, 26, 34, 149, 221, 283, 298, 442, 566, 1937, 2533, 3679, 3874, 4811, 5066, 7358, 9622, 32929, 42167, 62543, 65858, 84334, 125086, 548171, 716839, 1096342, 1433678, 9318907, 18637814]

約数ペア:

[(1, 18637814), (2, 9318907), (13, 1433678), (17, 1096342), (26, 716839), (34, 548171), (149, 125086), (221, 84334), (283, 65858), (298, 62543), (442, 42167), (566, 32929), (1937, 9622), (2533, 7358), (3679, 5066), (3874, 4811)]