18236478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{809}}^1$

素因数の和:861

約数の個数: 48

約数和(自身を含む): 41776560

約数和(自身を除く): 23540082

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 289, 442, 578, 663, 809, 867, 1326, 1618, 1734, 2427, 3757, 4854, 7514, 10517, 11271, 13753, 21034, 22542, 27506, 31551, 41259, 63102, 82518, 178789, 233801, 357578, 467602, 536367, 701403, 1072734, 1402806, 3039413, 6078826, 9118239, 18236478]

約数ペア:

[(1, 18236478), (2, 9118239), (3, 6078826), (6, 3039413), (13, 1402806), (17, 1072734), (26, 701403), (34, 536367), (39, 467602), (51, 357578), (78, 233801), (102, 178789), (221, 82518), (289, 63102), (442, 41259), (578, 31551), (663, 27506), (809, 22542), (867, 21034), (1326, 13753), (1618, 11271), (1734, 10517), (2427, 7514), (3757, 4854)]