18205902

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:686

約数の個数: 72

約数和(自身を含む): 46765992

約数和(自身を除く): 28560090

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 121, 143, 198, 234, 242, 286, 363, 429, 643, 726, 858, 1089, 1286, 1287, 1573, 1929, 2178, 2574, 3146, 3858, 4719, 5787, 7073, 8359, 9438, 11574, 14146, 14157, 16718, 21219, 25077, 28314, 42438, 50154, 63657, 75231, 77803, 91949, 127314, 150462, 155606, 183898, 233409, 275847, 466818, 551694, 700227, 827541, 1011439, 1400454, 1655082, 2022878, 3034317, 6068634, 9102951, 18205902]

約数ペア:

[(1, 18205902), (2, 9102951), (3, 6068634), (6, 3034317), (9, 2022878), (11, 1655082), (13, 1400454), (18, 1011439), (22, 827541), (26, 700227), (33, 551694), (39, 466818), (66, 275847), (78, 233409), (99, 183898), (117, 155606), (121, 150462), (143, 127314), (198, 91949), (234, 77803), (242, 75231), (286, 63657), (363, 50154), (429, 42438), (643, 28314), (726, 25077), (858, 21219), (1089, 16718), (1286, 14157), (1287, 14146), (1573, 11574), (1929, 9438), (2178, 8359), (2574, 7073), (3146, 5787), (3858, 4719)]