18701732

素因数分解:

$2^2\times 7^3\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 39177600

約数和(自身を除く): 20475868

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 317, 343, 602, 634, 686, 1204, 1268, 1372, 2107, 2219, 4214, 4438, 8428, 8876, 13631, 14749, 15533, 27262, 29498, 31066, 54524, 58996, 62132, 95417, 108731, 190834, 217462, 381668, 434924, 667919, 1335838, 2671676, 4675433, 9350866, 18701732]

約数ペア:

[(1, 18701732), (2, 9350866), (4, 4675433), (7, 2671676), (14, 1335838), (28, 667919), (43, 434924), (49, 381668), (86, 217462), (98, 190834), (172, 108731), (196, 95417), (301, 62132), (317, 58996), (343, 54524), (602, 31066), (634, 29498), (686, 27262), (1204, 15533), (1268, 14749), (1372, 13631), (2107, 8876), (2219, 8428), (4214, 4438)]