19921577

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:632

約数の個数: 16

約数和(自身を含む): 22344000

約数和(自身を除く): 2422423

約数列:

[1, 13, 37, 83, 481, 499, 1079, 3071, 6487, 18463, 39923, 41417, 240019, 538421, 1532429, 19921577]

約数ペア:

[(1, 19921577), (13, 1532429), (37, 538421), (83, 240019), (481, 41417), (499, 39923), (1079, 18463), (3071, 6487)]