19405690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1061}}^1$

素因数の和:1158

約数の個数: 32

約数和(自身を含む): 36702720

約数和(自身を除く): 17297030

約数列:

[1, 2, 5, 10, 31, 59, 62, 118, 155, 295, 310, 590, 1061, 1829, 2122, 3658, 5305, 9145, 10610, 18290, 32891, 62599, 65782, 125198, 164455, 312995, 328910, 625990, 1940569, 3881138, 9702845, 19405690]

約数ペア:

[(1, 19405690), (2, 9702845), (5, 3881138), (10, 1940569), (31, 625990), (59, 328910), (62, 312995), (118, 164455), (155, 125198), (295, 65782), (310, 62599), (590, 32891), (1061, 18290), (1829, 10610), (2122, 9145), (3658, 5305)]