1888904

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:102

約数の個数: 48

約数和(自身を含む): 4052400

約数和(自身を除く): 2163496

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 43, 68, 76, 86, 136, 152, 172, 289, 323, 344, 578, 646, 731, 817, 1156, 1292, 1462, 1634, 2312, 2584, 2924, 3268, 5491, 5848, 6536, 10982, 12427, 13889, 21964, 24854, 27778, 43928, 49708, 55556, 99416, 111112, 236113, 472226, 944452, 1888904]

約数ペア:

[(1, 1888904), (2, 944452), (4, 472226), (8, 236113), (17, 111112), (19, 99416), (34, 55556), (38, 49708), (43, 43928), (68, 27778), (76, 24854), (86, 21964), (136, 13889), (152, 12427), (172, 10982), (289, 6536), (323, 5848), (344, 5491), (578, 3268), (646, 2924), (731, 2584), (817, 2312), (1156, 1634), (1292, 1462)]