18758038

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2$

素因数の和:137

約数の個数: 48

約数和(自身を含む): 34038144

約数和(自身を除く): 15280106

約数列:

[1, 2, 13, 17, 26, 31, 34, 37, 62, 74, 221, 403, 442, 481, 527, 629, 806, 962, 1054, 1147, 1258, 1369, 2294, 2738, 6851, 8177, 13702, 14911, 16354, 17797, 19499, 23273, 29822, 35594, 38998, 42439, 46546, 84878, 253487, 302549, 506974, 551707, 605098, 721463, 1103414, 1442926, 9379019, 18758038]

約数ペア:

[(1, 18758038), (2, 9379019), (13, 1442926), (17, 1103414), (26, 721463), (31, 605098), (34, 551707), (37, 506974), (62, 302549), (74, 253487), (221, 84878), (403, 46546), (442, 42439), (481, 38998), (527, 35594), (629, 29822), (806, 23273), (962, 19499), (1054, 17797), (1147, 16354), (1258, 14911), (1369, 13702), (2294, 8177), (2738, 6851)]