19720296

素因数分解:

$2^3\times 3^2\times {\mathrm{79}}^1\times {\mathrm{3467}}^1$

素因数の和:3558

約数の個数: 48

約数和(自身を含む): 54100800

約数和(自身を除く): 34380504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 79, 158, 237, 316, 474, 632, 711, 948, 1422, 1896, 2844, 3467, 5688, 6934, 10401, 13868, 20802, 27736, 31203, 41604, 62406, 83208, 124812, 249624, 273893, 547786, 821679, 1095572, 1643358, 2191144, 2465037, 3286716, 4930074, 6573432, 9860148, 19720296]

約数ペア:

[(1, 19720296), (2, 9860148), (3, 6573432), (4, 4930074), (6, 3286716), (8, 2465037), (9, 2191144), (12, 1643358), (18, 1095572), (24, 821679), (36, 547786), (72, 273893), (79, 249624), (158, 124812), (237, 83208), (316, 62406), (474, 41604), (632, 31203), (711, 27736), (948, 20802), (1422, 13868), (1896, 10401), (2844, 6934), (3467, 5688)]