19081788

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3907}}^1$

素因数の和:3962

約数の個数: 48

約数和(自身を含む): 49897344

約数和(自身を除く): 30815556

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 132, 148, 222, 407, 444, 814, 1221, 1628, 2442, 3907, 4884, 7814, 11721, 15628, 23442, 42977, 46884, 85954, 128931, 144559, 171908, 257862, 289118, 433677, 515724, 578236, 867354, 1590149, 1734708, 3180298, 4770447, 6360596, 9540894, 19081788]

約数ペア:

[(1, 19081788), (2, 9540894), (3, 6360596), (4, 4770447), (6, 3180298), (11, 1734708), (12, 1590149), (22, 867354), (33, 578236), (37, 515724), (44, 433677), (66, 289118), (74, 257862), (111, 171908), (132, 144559), (148, 128931), (222, 85954), (407, 46884), (444, 42977), (814, 23442), (1221, 15628), (1628, 11721), (2442, 7814), (3907, 4884)]