19610486

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 36936000

約数和(自身を除く): 17325514

約数列:

[1, 2, 7, 14, 17, 34, 49, 79, 98, 119, 149, 158, 238, 298, 553, 833, 1043, 1106, 1343, 1666, 2086, 2533, 2686, 3871, 5066, 7301, 7742, 9401, 11771, 14602, 17731, 18802, 23542, 35462, 65807, 82397, 124117, 131614, 164794, 200107, 248234, 400214, 576779, 1153558, 1400749, 2801498, 9805243, 19610486]

約数ペア:

[(1, 19610486), (2, 9805243), (7, 2801498), (14, 1400749), (17, 1153558), (34, 576779), (49, 400214), (79, 248234), (98, 200107), (119, 164794), (149, 131614), (158, 124117), (238, 82397), (298, 65807), (553, 35462), (833, 23542), (1043, 18802), (1106, 17731), (1343, 14602), (1666, 11771), (2086, 9401), (2533, 7742), (2686, 7301), (3871, 5066)]