19113040

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1381}}^1$

素因数の和:1567

約数の個数: 40

約数和(自身を含む): 44727048

約数和(自身を除く): 25614008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1381, 1384, 1730, 2762, 2768, 3460, 5524, 6905, 6920, 11048, 13810, 13840, 22096, 27620, 55240, 110480, 238913, 477826, 955652, 1194565, 1911304, 2389130, 3822608, 4778260, 9556520, 19113040]

約数ペア:

[(1, 19113040), (2, 9556520), (4, 4778260), (5, 3822608), (8, 2389130), (10, 1911304), (16, 1194565), (20, 955652), (40, 477826), (80, 238913), (173, 110480), (346, 55240), (692, 27620), (865, 22096), (1381, 13840), (1384, 13810), (1730, 11048), (2762, 6920), (2768, 6905), (3460, 5524)]