19836072

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^2\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 55370250

約数和(自身を除く): 35534178

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 149, 172, 258, 298, 344, 387, 447, 516, 596, 774, 894, 1032, 1192, 1341, 1548, 1788, 1849, 2682, 3096, 3576, 3698, 5364, 5547, 6407, 7396, 10728, 11094, 12814, 14792, 16641, 19221, 22188, 25628, 33282, 38442, 44376, 51256, 57663, 66564, 76884, 115326, 133128, 153768, 230652, 275501, 461304, 551002, 826503, 1102004, 1653006, 2204008, 2479509, 3306012, 4959018, 6612024, 9918036, 19836072]

約数ペア:

[(1, 19836072), (2, 9918036), (3, 6612024), (4, 4959018), (6, 3306012), (8, 2479509), (9, 2204008), (12, 1653006), (18, 1102004), (24, 826503), (36, 551002), (43, 461304), (72, 275501), (86, 230652), (129, 153768), (149, 133128), (172, 115326), (258, 76884), (298, 66564), (344, 57663), (387, 51256), (447, 44376), (516, 38442), (596, 33282), (774, 25628), (894, 22188), (1032, 19221), (1192, 16641), (1341, 14792), (1548, 12814), (1788, 11094), (1849, 10728), (2682, 7396), (3096, 6407), (3576, 5547), (3698, 5364)]