17320780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2399}}^1$

素因数の和:2446

約数の個数: 36

約数和(自身を含む): 38404800

約数和(自身を除く): 21084020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 2399, 3610, 4798, 7220, 9596, 11995, 23990, 45581, 47980, 91162, 182324, 227905, 455810, 866039, 911620, 1732078, 3464156, 4330195, 8660390, 17320780]

約数ペア:

[(1, 17320780), (2, 8660390), (4, 4330195), (5, 3464156), (10, 1732078), (19, 911620), (20, 866039), (38, 455810), (76, 227905), (95, 182324), (190, 91162), (361, 47980), (380, 45581), (722, 23990), (1444, 11995), (1805, 9596), (2399, 7220), (3610, 4798)]