18493228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5009}}^1$

素因数の和:5097

約数の個数: 24

約数和(自身を含む): 35350560

約数和(自身を除く): 16857332

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 5009, 10018, 20036, 65117, 130234, 260468, 355639, 711278, 1422556, 4623307, 9246614, 18493228]

約数ペア:

[(1, 18493228), (2, 9246614), (4, 4623307), (13, 1422556), (26, 711278), (52, 355639), (71, 260468), (142, 130234), (284, 65117), (923, 20036), (1846, 10018), (3692, 5009)]