19896268

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 22439732

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 149, 251, 266, 298, 502, 532, 596, 1004, 1043, 1757, 2086, 2831, 3514, 4172, 4769, 5662, 7028, 9538, 11324, 19076, 19817, 33383, 37399, 39634, 66766, 74798, 79268, 133532, 149596, 261793, 523586, 710581, 1047172, 1421162, 2842324, 4974067, 9948134, 19896268]

約数ペア:

[(1, 19896268), (2, 9948134), (4, 4974067), (7, 2842324), (14, 1421162), (19, 1047172), (28, 710581), (38, 523586), (76, 261793), (133, 149596), (149, 133532), (251, 79268), (266, 74798), (298, 66766), (502, 39634), (532, 37399), (596, 33383), (1004, 19817), (1043, 19076), (1757, 11324), (2086, 9538), (2831, 7028), (3514, 5662), (4172, 4769)]