18807610

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{349}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 36061200

約数和(自身を除く): 17253590

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 317, 349, 634, 698, 1585, 1745, 3170, 3490, 5389, 5933, 10778, 11866, 26945, 29665, 53890, 59330, 110633, 221266, 553165, 1106330, 1880761, 3761522, 9403805, 18807610]

約数ペア:

[(1, 18807610), (2, 9403805), (5, 3761522), (10, 1880761), (17, 1106330), (34, 553165), (85, 221266), (170, 110633), (317, 59330), (349, 53890), (634, 29665), (698, 26945), (1585, 11866), (1745, 10778), (3170, 5933), (3490, 5389)]