11918140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1993}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 28139328

約数和(自身を除く): 16221188

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 1993, 2990, 3986, 5980, 7972, 9965, 19930, 25909, 39860, 45839, 51818, 91678, 103636, 129545, 183356, 229195, 259090, 458390, 518180, 595907, 916780, 1191814, 2383628, 2979535, 5959070, 11918140]

約数ペア:

[(1, 11918140), (2, 5959070), (4, 2979535), (5, 2383628), (10, 1191814), (13, 916780), (20, 595907), (23, 518180), (26, 458390), (46, 259090), (52, 229195), (65, 183356), (92, 129545), (115, 103636), (130, 91678), (230, 51818), (260, 45839), (299, 39860), (460, 25909), (598, 19930), (1196, 9965), (1495, 7972), (1993, 5980), (2990, 3986)]