1890864724

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{13723}}^1$

素因数の和:13797

約数の個数: 72

約数和(自身を含む): 4161665760

約数和(自身を除く): 2270801036

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 49, 74, 76, 98, 133, 148, 196, 259, 266, 518, 532, 703, 931, 1036, 1406, 1813, 1862, 2812, 3626, 3724, 4921, 7252, 9842, 13723, 19684, 27446, 34447, 54892, 68894, 96061, 137788, 192122, 260737, 384244, 507751, 521474, 672427, 1015502, 1042948, 1344854, 1825159, 2031004, 2689708, 3554257, 3650318, 7108514, 7300636, 9647269, 12776113, 14217028, 19294538, 24879799, 25552226, 38589076, 49759598, 51104452, 67530883, 99519196, 135061766, 270123532, 472716181, 945432362, 1890864724]

約数ペア:

[(1, 1890864724), (2, 945432362), (4, 472716181), (7, 270123532), (14, 135061766), (19, 99519196), (28, 67530883), (37, 51104452), (38, 49759598), (49, 38589076), (74, 25552226), (76, 24879799), (98, 19294538), (133, 14217028), (148, 12776113), (196, 9647269), (259, 7300636), (266, 7108514), (518, 3650318), (532, 3554257), (703, 2689708), (931, 2031004), (1036, 1825159), (1406, 1344854), (1813, 1042948), (1862, 1015502), (2812, 672427), (3626, 521474), (3724, 507751), (4921, 384244), (7252, 260737), (9842, 192122), (13723, 137788), (19684, 96061), (27446, 68894), (34447, 54892)]