19737952

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2791}}^1$

素因数の和:2831

約数の個数: 48

約数和(自身を含む): 44325792

約数和(自身を除く): 24587840

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 2791, 3536, 5582, 7072, 11164, 22328, 36283, 44656, 47447, 72566, 89312, 94894, 145132, 189788, 290264, 379576, 580528, 616811, 759152, 1161056, 1233622, 1518304, 2467244, 4934488, 9868976, 19737952]

約数ペア:

[(1, 19737952), (2, 9868976), (4, 4934488), (8, 2467244), (13, 1518304), (16, 1233622), (17, 1161056), (26, 759152), (32, 616811), (34, 580528), (52, 379576), (68, 290264), (104, 189788), (136, 145132), (208, 94894), (221, 89312), (272, 72566), (416, 47447), (442, 44656), (544, 36283), (884, 22328), (1768, 11164), (2791, 7072), (3536, 5582)]