19815003

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{56453}}^1$

素因数の和:56475

約数の個数: 16

約数和(自身を含む): 31614240

約数和(自身を除く): 11799237

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 56453, 169359, 508077, 733889, 1524231, 2201667, 6605001, 19815003]

約数ペア:

[(1, 19815003), (3, 6605001), (9, 2201667), (13, 1524231), (27, 733889), (39, 508077), (117, 169359), (351, 56453)]