19505596

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 40007520

約数和(自身を除く): 20501924

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 89, 178, 187, 293, 356, 374, 586, 748, 979, 1172, 1513, 1958, 3026, 3223, 3916, 4981, 6052, 6446, 9962, 12892, 16643, 19924, 26077, 33286, 52154, 54791, 66572, 104308, 109582, 219164, 286847, 443309, 573694, 886618, 1147388, 1773236, 4876399, 9752798, 19505596]

約数ペア:

[(1, 19505596), (2, 9752798), (4, 4876399), (11, 1773236), (17, 1147388), (22, 886618), (34, 573694), (44, 443309), (68, 286847), (89, 219164), (178, 109582), (187, 104308), (293, 66572), (356, 54791), (374, 52154), (586, 33286), (748, 26077), (979, 19924), (1172, 16643), (1513, 12892), (1958, 9962), (3026, 6446), (3223, 6052), (3916, 4981)]