18305416985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{37693}}^1$

素因数の和:37865

約数の個数: 32

約数和(自身を含む): 23709224448

約数和(自身を除く): 5403807463

約数列:

[1, 5, 23, 41, 103, 115, 205, 515, 943, 2369, 4223, 4715, 11845, 21115, 37693, 97129, 188465, 485645, 866939, 1545413, 3882379, 4334695, 7727065, 19411895, 35544499, 89294717, 159177539, 177722495, 446473585, 795887695, 3661083397, 18305416985]

約数ペア:

[(1, 18305416985), (5, 3661083397), (23, 795887695), (41, 446473585), (103, 177722495), (115, 159177539), (205, 89294717), (515, 35544499), (943, 19411895), (2369, 7727065), (4223, 4334695), (4715, 3882379), (11845, 1545413), (21115, 866939), (37693, 485645), (97129, 188465)]