19946732

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1553}}^1$

素因数の和:1602

約数の個数: 36

約数和(自身を含む): 39813480

約数和(自身を除く): 19866748

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 1553, 3106, 3211, 6212, 6422, 12844, 20189, 29507, 40378, 59014, 80756, 118028, 262457, 383591, 524914, 767182, 1049828, 1534364, 4986683, 9973366, 19946732]

約数ペア:

[(1, 19946732), (2, 9973366), (4, 4986683), (13, 1534364), (19, 1049828), (26, 767182), (38, 524914), (52, 383591), (76, 262457), (169, 118028), (247, 80756), (338, 59014), (494, 40378), (676, 29507), (988, 20189), (1553, 12844), (3106, 6422), (3211, 6212)]