20189653916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{50591}}^1$

素因数の和:50762

約数の個数: 48

約数和(自身を含む): 38247552000

約数和(自身を除く): 18057898084

約数列:

[1, 2, 4, 19, 38, 59, 76, 89, 118, 178, 236, 356, 1121, 1691, 2242, 3382, 4484, 5251, 6764, 10502, 21004, 50591, 99769, 101182, 199538, 202364, 399076, 961229, 1922458, 2984869, 3844916, 4502599, 5969738, 9005198, 11939476, 18010396, 56712511, 85549381, 113425022, 171098762, 226850044, 265653341, 342197524, 531306682, 1062613364, 5047413479, 10094826958, 20189653916]

約数ペア:

[(1, 20189653916), (2, 10094826958), (4, 5047413479), (19, 1062613364), (38, 531306682), (59, 342197524), (76, 265653341), (89, 226850044), (118, 171098762), (178, 113425022), (236, 85549381), (356, 56712511), (1121, 18010396), (1691, 11939476), (2242, 9005198), (3382, 5969738), (4484, 4502599), (5251, 3844916), (6764, 2984869), (10502, 1922458), (21004, 961229), (50591, 399076), (99769, 202364), (101182, 199538)]