19425809

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:165

約数の個数: 32

約数和(自身を含む): 23654400

約数和(自身を除く): 4228591

約数列:

[1, 13, 19, 31, 43, 59, 247, 403, 559, 589, 767, 817, 1121, 1333, 1829, 2537, 7657, 10621, 14573, 17329, 23777, 25327, 32981, 34751, 48203, 78647, 329251, 451763, 626639, 1022411, 1494293, 19425809]

約数ペア:

[(1, 19425809), (13, 1494293), (19, 1022411), (31, 626639), (43, 451763), (59, 329251), (247, 78647), (403, 48203), (559, 34751), (589, 32981), (767, 25327), (817, 23777), (1121, 17329), (1333, 14573), (1829, 10621), (2537, 7657)]