18915708

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3361}}^1$

素因数の和:3442

約数の個数: 48

約数和(自身を含む): 51209984

約数和(自身を除く): 32294276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 67, 84, 134, 201, 268, 402, 469, 804, 938, 1407, 1876, 2814, 3361, 5628, 6722, 10083, 13444, 20166, 23527, 40332, 47054, 70581, 94108, 141162, 225187, 282324, 450374, 675561, 900748, 1351122, 1576309, 2702244, 3152618, 4728927, 6305236, 9457854, 18915708]

約数ペア:

[(1, 18915708), (2, 9457854), (3, 6305236), (4, 4728927), (6, 3152618), (7, 2702244), (12, 1576309), (14, 1351122), (21, 900748), (28, 675561), (42, 450374), (67, 282324), (84, 225187), (134, 141162), (201, 94108), (268, 70581), (402, 47054), (469, 40332), (804, 23527), (938, 20166), (1407, 13444), (1876, 10083), (2814, 6722), (3361, 5628)]