19307938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1723}}^1$

素因数の和:2169

約数の個数: 16

約数和(自身を含む): 31280256

約数和(自身を除く): 11972318

約数列:

[1, 2, 13, 26, 431, 862, 1723, 3446, 5603, 11206, 22399, 44798, 742613, 1485226, 9653969, 19307938]

約数ペア:

[(1, 19307938), (2, 9653969), (13, 1485226), (26, 742613), (431, 44798), (862, 22399), (1723, 11206), (3446, 5603)]