19753370

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{443}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 44755200

約数和(自身を除く): 25001830

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 343, 443, 455, 490, 637, 686, 886, 910, 1274, 1715, 2215, 3101, 3185, 3430, 4430, 4459, 5759, 6202, 6370, 8918, 11518, 15505, 21707, 22295, 28795, 31010, 40313, 43414, 44590, 57590, 80626, 108535, 151949, 201565, 217070, 282191, 303898, 403130, 564382, 759745, 1410955, 1519490, 1975337, 2821910, 3950674, 9876685, 19753370]

約数ペア:

[(1, 19753370), (2, 9876685), (5, 3950674), (7, 2821910), (10, 1975337), (13, 1519490), (14, 1410955), (26, 759745), (35, 564382), (49, 403130), (65, 303898), (70, 282191), (91, 217070), (98, 201565), (130, 151949), (182, 108535), (245, 80626), (343, 57590), (443, 44590), (455, 43414), (490, 40313), (637, 31010), (686, 28795), (886, 22295), (910, 21707), (1274, 15505), (1715, 11518), (2215, 8918), (3101, 6370), (3185, 6202), (3430, 5759), (4430, 4459)]