19235920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21859}}^1$

素因数の和:21883

約数の個数: 40

約数和(自身を含む): 48791520

約数和(自身を除く): 29555600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 21859, 43718, 87436, 109295, 174872, 218590, 240449, 349744, 437180, 480898, 874360, 961796, 1202245, 1748720, 1923592, 2404490, 3847184, 4808980, 9617960, 19235920]

約数ペア:

[(1, 19235920), (2, 9617960), (4, 4808980), (5, 3847184), (8, 2404490), (10, 1923592), (11, 1748720), (16, 1202245), (20, 961796), (22, 874360), (40, 480898), (44, 437180), (55, 349744), (80, 240449), (88, 218590), (110, 174872), (176, 109295), (220, 87436), (440, 43718), (880, 21859)]