19959870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5591}}^1$

素因数の和:5625

約数の個数: 64

約数和(自身を含む): 57977856

約数和(自身を除く): 38017986

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 5591, 11182, 16773, 27955, 33546, 39137, 55910, 78274, 83865, 95047, 117411, 167730, 190094, 195685, 234822, 285141, 391370, 475235, 570282, 587055, 665329, 950470, 1174110, 1330658, 1425705, 1995987, 2851410, 3326645, 3991974, 6653290, 9979935, 19959870]

約数ペア:

[(1, 19959870), (2, 9979935), (3, 6653290), (5, 3991974), (6, 3326645), (7, 2851410), (10, 1995987), (14, 1425705), (15, 1330658), (17, 1174110), (21, 950470), (30, 665329), (34, 587055), (35, 570282), (42, 475235), (51, 391370), (70, 285141), (85, 234822), (102, 195685), (105, 190094), (119, 167730), (170, 117411), (210, 95047), (238, 83865), (255, 78274), (357, 55910), (510, 39137), (595, 33546), (714, 27955), (1190, 16773), (1785, 11182), (3570, 5591)]