19874673

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8089}}^1$

素因数の和:8118

約数の個数: 32

約数和(自身を含む): 36243200

約数和(自身を除く): 16368527

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8089, 24267, 56623, 72801, 105157, 169869, 218403, 315471, 509607, 736099, 946413, 1528821, 2208297, 2839239, 6624891, 19874673]

約数ペア:

[(1, 19874673), (3, 6624891), (7, 2839239), (9, 2208297), (13, 1528821), (21, 946413), (27, 736099), (39, 509607), (63, 315471), (91, 218403), (117, 169869), (189, 105157), (273, 72801), (351, 56623), (819, 24267), (2457, 8089)]