18999904

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{701}}^1$

素因数の和:740

約数の個数: 72

約数和(自身を含む): 47056464

約数和(自身を除く): 28056560

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 121, 154, 176, 224, 242, 308, 352, 484, 616, 701, 847, 968, 1232, 1402, 1694, 1936, 2464, 2804, 3388, 3872, 4907, 5608, 6776, 7711, 9814, 11216, 13552, 15422, 19628, 22432, 27104, 30844, 39256, 53977, 61688, 78512, 84821, 107954, 123376, 157024, 169642, 215908, 246752, 339284, 431816, 593747, 678568, 863632, 1187494, 1357136, 1727264, 2374988, 2714272, 4749976, 9499952, 18999904]

約数ペア:

[(1, 18999904), (2, 9499952), (4, 4749976), (7, 2714272), (8, 2374988), (11, 1727264), (14, 1357136), (16, 1187494), (22, 863632), (28, 678568), (32, 593747), (44, 431816), (56, 339284), (77, 246752), (88, 215908), (112, 169642), (121, 157024), (154, 123376), (176, 107954), (224, 84821), (242, 78512), (308, 61688), (352, 53977), (484, 39256), (616, 30844), (701, 27104), (847, 22432), (968, 19628), (1232, 15422), (1402, 13552), (1694, 11216), (1936, 9814), (2464, 7711), (2804, 6776), (3388, 5608), (3872, 4907)]