19500873

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2503}}^1$

素因数の和:2573

約数の個数: 24

約数和(自身を含む): 30829248

約数和(自身を除く): 11328375

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2503, 2597, 7509, 7791, 17521, 52563, 122647, 132659, 367941, 397977, 928613, 2785839, 6500291, 19500873]

約数ペア:

[(1, 19500873), (3, 6500291), (7, 2785839), (21, 928613), (49, 397977), (53, 367941), (147, 132659), (159, 122647), (371, 52563), (1113, 17521), (2503, 7791), (2597, 7509)]