19715672

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1549}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 38874000

約数和(自身を除く): 19158328

約数列:

[1, 2, 4, 8, 37, 43, 74, 86, 148, 172, 296, 344, 1549, 1591, 3098, 3182, 6196, 6364, 12392, 12728, 57313, 66607, 114626, 133214, 229252, 266428, 458504, 532856, 2464459, 4928918, 9857836, 19715672]

約数ペア:

[(1, 19715672), (2, 9857836), (4, 4928918), (8, 2464459), (37, 532856), (43, 458504), (74, 266428), (86, 229252), (148, 133214), (172, 114626), (296, 66607), (344, 57313), (1549, 12728), (1591, 12392), (3098, 6364), (3182, 6196)]