19194370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{409}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 39364920

約数和(自身を除く): 20170550

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 361, 409, 494, 722, 818, 1235, 1805, 2045, 2470, 3610, 4090, 4693, 5317, 7771, 9386, 10634, 15542, 23465, 26585, 38855, 46930, 53170, 77710, 101023, 147649, 202046, 295298, 505115, 738245, 1010230, 1476490, 1919437, 3838874, 9597185, 19194370]

約数ペア:

[(1, 19194370), (2, 9597185), (5, 3838874), (10, 1919437), (13, 1476490), (19, 1010230), (26, 738245), (38, 505115), (65, 295298), (95, 202046), (130, 147649), (190, 101023), (247, 77710), (361, 53170), (409, 46930), (494, 38855), (722, 26585), (818, 23465), (1235, 15542), (1805, 10634), (2045, 9386), (2470, 7771), (3610, 5317), (4090, 4693)]