17991952

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{677}}^1$

素因数の和:847

約数の個数: 40

約数和(自身を含む): 38336832

約数和(自身を除く): 20344880

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 151, 176, 302, 604, 677, 1208, 1354, 1661, 2416, 2708, 3322, 5416, 6644, 7447, 10832, 13288, 14894, 26576, 29788, 59576, 102227, 119152, 204454, 408908, 817816, 1124497, 1635632, 2248994, 4497988, 8995976, 17991952]

約数ペア:

[(1, 17991952), (2, 8995976), (4, 4497988), (8, 2248994), (11, 1635632), (16, 1124497), (22, 817816), (44, 408908), (88, 204454), (151, 119152), (176, 102227), (302, 59576), (604, 29788), (677, 26576), (1208, 14894), (1354, 13288), (1661, 10832), (2416, 7447), (2708, 6644), (3322, 5416)]