18820768

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1193}}^1$

素因数の和:1249

約数の個数: 48

約数和(自身を含む): 40619880

約数和(自身を除く): 21799112

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 68, 116, 136, 232, 272, 464, 493, 544, 928, 986, 1193, 1972, 2386, 3944, 4772, 7888, 9544, 15776, 19088, 20281, 34597, 38176, 40562, 69194, 81124, 138388, 162248, 276776, 324496, 553552, 588149, 648992, 1107104, 1176298, 2352596, 4705192, 9410384, 18820768]

約数ペア:

[(1, 18820768), (2, 9410384), (4, 4705192), (8, 2352596), (16, 1176298), (17, 1107104), (29, 648992), (32, 588149), (34, 553552), (58, 324496), (68, 276776), (116, 162248), (136, 138388), (232, 81124), (272, 69194), (464, 40562), (493, 38176), (544, 34597), (928, 20281), (986, 19088), (1193, 15776), (1972, 9544), (2386, 7888), (3944, 4772)]