18925290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{479}}^1$

素因数の和:931

約数の個数: 48

約数和(自身を含む): 49420800

約数和(自身を除く): 30495510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 439, 479, 878, 958, 1317, 1437, 2195, 2395, 2634, 2874, 3951, 4311, 4390, 4790, 6585, 7185, 7902, 8622, 13170, 14370, 19755, 21555, 39510, 43110, 210281, 420562, 630843, 1051405, 1261686, 1892529, 2102810, 3154215, 3785058, 6308430, 9462645, 18925290]

約数ペア:

[(1, 18925290), (2, 9462645), (3, 6308430), (5, 3785058), (6, 3154215), (9, 2102810), (10, 1892529), (15, 1261686), (18, 1051405), (30, 630843), (45, 420562), (90, 210281), (439, 43110), (479, 39510), (878, 21555), (958, 19755), (1317, 14370), (1437, 13170), (2195, 8622), (2395, 7902), (2634, 7185), (2874, 6585), (3951, 4790), (4311, 4390)]