19271564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{761}}^1$

素因数の和:1265

約数の個数: 24

約数和(自身を含む): 36441888

約数和(自身を除く): 17170324

約数列:

[1, 2, 4, 13, 26, 52, 487, 761, 974, 1522, 1948, 3044, 6331, 9893, 12662, 19786, 25324, 39572, 370607, 741214, 1482428, 4817891, 9635782, 19271564]

約数ペア:

[(1, 19271564), (2, 9635782), (4, 4817891), (13, 1482428), (26, 741214), (52, 370607), (487, 39572), (761, 25324), (974, 19786), (1522, 12662), (1948, 9893), (3044, 6331)]