18969790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:889

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 24575810

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 70, 85, 95, 119, 133, 170, 190, 238, 266, 323, 595, 646, 665, 839, 1190, 1330, 1615, 1678, 2261, 3230, 4195, 4522, 5873, 8390, 11305, 11746, 14263, 15941, 22610, 28526, 29365, 31882, 58730, 71315, 79705, 99841, 111587, 142630, 159410, 199682, 223174, 270997, 499205, 541994, 557935, 998410, 1115870, 1354985, 1896979, 2709970, 3793958, 9484895, 18969790]

約数ペア:

[(1, 18969790), (2, 9484895), (5, 3793958), (7, 2709970), (10, 1896979), (14, 1354985), (17, 1115870), (19, 998410), (34, 557935), (35, 541994), (38, 499205), (70, 270997), (85, 223174), (95, 199682), (119, 159410), (133, 142630), (170, 111587), (190, 99841), (238, 79705), (266, 71315), (323, 58730), (595, 31882), (646, 29365), (665, 28526), (839, 22610), (1190, 15941), (1330, 14263), (1615, 11746), (1678, 11305), (2261, 8390), (3230, 5873), (4195, 4522)]