19755855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1063}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 39836160

約数和(自身を除く): 20080305

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 59, 63, 105, 177, 295, 315, 413, 531, 885, 1063, 1239, 2065, 2655, 3189, 3717, 5315, 6195, 7441, 9567, 15945, 18585, 22323, 37205, 47835, 62717, 66969, 111615, 188151, 313585, 334845, 439019, 564453, 940755, 1317057, 2195095, 2822265, 3951171, 6585285, 19755855]

約数ペア:

[(1, 19755855), (3, 6585285), (5, 3951171), (7, 2822265), (9, 2195095), (15, 1317057), (21, 940755), (35, 564453), (45, 439019), (59, 334845), (63, 313585), (105, 188151), (177, 111615), (295, 66969), (315, 62717), (413, 47835), (531, 37205), (885, 22323), (1063, 18585), (1239, 15945), (2065, 9567), (2655, 7441), (3189, 6195), (3717, 5315)]