19739252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19979}}^1$

素因数の和:20015

約数の個数: 24

約数和(自身を含む): 39160800

約数和(自身を除く): 19421548

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 19979, 39958, 79916, 259727, 379601, 519454, 759202, 1038908, 1518404, 4934813, 9869626, 19739252]

約数ペア:

[(1, 19739252), (2, 9869626), (4, 4934813), (13, 1518404), (19, 1038908), (26, 759202), (38, 519454), (52, 379601), (76, 259727), (247, 79916), (494, 39958), (988, 19979)]