19400212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1069}}^1$

素因数の和:1435

約数の個数: 24

約数和(自身を含む): 36701000

約数和(自身を除く): 17300788

約数列:

[1, 2, 4, 13, 26, 52, 349, 698, 1069, 1396, 2138, 4276, 4537, 9074, 13897, 18148, 27794, 55588, 373081, 746162, 1492324, 4850053, 9700106, 19400212]

約数ペア:

[(1, 19400212), (2, 9700106), (4, 4850053), (13, 1492324), (26, 746162), (52, 373081), (349, 55588), (698, 27794), (1069, 18148), (1396, 13897), (2138, 9074), (4276, 4537)]