19941372

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1361}}^1$

素因数の和:1419

約数の個数: 72

約数和(自身を含む): 56517552

約数和(自身を除く): 36576180

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 37, 44, 66, 74, 99, 111, 132, 148, 198, 222, 333, 396, 407, 444, 666, 814, 1221, 1332, 1361, 1628, 2442, 2722, 3663, 4083, 4884, 5444, 7326, 8166, 12249, 14652, 14971, 16332, 24498, 29942, 44913, 48996, 50357, 59884, 89826, 100714, 134739, 151071, 179652, 201428, 269478, 302142, 453213, 538956, 553927, 604284, 906426, 1107854, 1661781, 1812852, 2215708, 3323562, 4985343, 6647124, 9970686, 19941372]

約数ペア:

[(1, 19941372), (2, 9970686), (3, 6647124), (4, 4985343), (6, 3323562), (9, 2215708), (11, 1812852), (12, 1661781), (18, 1107854), (22, 906426), (33, 604284), (36, 553927), (37, 538956), (44, 453213), (66, 302142), (74, 269478), (99, 201428), (111, 179652), (132, 151071), (148, 134739), (198, 100714), (222, 89826), (333, 59884), (396, 50357), (407, 48996), (444, 44913), (666, 29942), (814, 24498), (1221, 16332), (1332, 14971), (1361, 14652), (1628, 12249), (2442, 8166), (2722, 7326), (3663, 5444), (4083, 4884)]