19795503

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1229}}^1$

素因数の和:1311

約数の個数: 32

約数和(自身を含む): 33062400

約数和(自身を除く): 13266897

約数列:

[1, 3, 7, 13, 21, 39, 59, 91, 177, 273, 413, 767, 1229, 1239, 2301, 3687, 5369, 8603, 15977, 16107, 25809, 47931, 72511, 111839, 217533, 335517, 507577, 942643, 1522731, 2827929, 6598501, 19795503]

約数ペア:

[(1, 19795503), (3, 6598501), (7, 2827929), (13, 1522731), (21, 942643), (39, 507577), (59, 335517), (91, 217533), (177, 111839), (273, 72511), (413, 47931), (767, 25809), (1229, 16107), (1239, 15977), (2301, 8603), (3687, 5369)]