18577690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{47}}^2$

素因数の和:159

約数の個数: 36

約数和(自身を含む): 35385246

約数和(自身を除く): 16807556

約数列:

[1, 2, 5, 10, 29, 47, 58, 94, 145, 235, 290, 470, 841, 1363, 1682, 2209, 2726, 4205, 4418, 6815, 8410, 11045, 13630, 22090, 39527, 64061, 79054, 128122, 197635, 320305, 395270, 640610, 1857769, 3715538, 9288845, 18577690]

約数ペア:

[(1, 18577690), (2, 9288845), (5, 3715538), (10, 1857769), (29, 640610), (47, 395270), (58, 320305), (94, 197635), (145, 128122), (235, 79054), (290, 64061), (470, 39527), (841, 22090), (1363, 13630), (1682, 11045), (2209, 8410), (2726, 6815), (4205, 4418)]