19489017548

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{18793}}^1$

素因数の和:18872

約数の個数: 144

約数和(自身を含む): 47872377504

約数和(自身を除く): 28383359956

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 37, 44, 49, 52, 74, 77, 91, 98, 143, 148, 154, 182, 196, 259, 286, 308, 364, 407, 481, 518, 539, 572, 637, 814, 962, 1001, 1036, 1078, 1274, 1628, 1813, 1924, 2002, 2156, 2548, 2849, 3367, 3626, 4004, 5291, 5698, 6734, 7007, 7252, 10582, 11396, 13468, 14014, 18793, 19943, 21164, 23569, 28028, 37037, 37586, 39886, 47138, 74074, 75172, 79772, 94276, 131551, 148148, 206723, 244309, 259259, 263102, 413446, 488618, 518518, 526204, 695341, 826892, 920857, 977236, 1037036, 1390682, 1447061, 1710163, 1841714, 2687399, 2781364, 2894122, 3420326, 3683428, 4867387, 5374798, 5788244, 6840652, 7648751, 9039433, 9734774, 10129427, 10749596, 11971141, 15297502, 18078866, 18811793, 19469548, 20258854, 23942282, 30595004, 34071709, 36157732, 37623586, 40517708, 47884564, 53541257, 63276031, 68143418, 75247172, 99433763, 107082514, 126552062, 131682551, 136286836, 198867526, 214165028, 253104124, 263365102, 374788799, 397735052, 442932217, 526730204, 696036341, 749577598, 885864434, 1392072682, 1499155196, 1771728868, 2784145364, 4872254387, 9744508774, 19489017548]

約数ペア:

[(1, 19489017548), (2, 9744508774), (4, 4872254387), (7, 2784145364), (11, 1771728868), (13, 1499155196), (14, 1392072682), (22, 885864434), (26, 749577598), (28, 696036341), (37, 526730204), (44, 442932217), (49, 397735052), (52, 374788799), (74, 263365102), (77, 253104124), (91, 214165028), (98, 198867526), (143, 136286836), (148, 131682551), (154, 126552062), (182, 107082514), (196, 99433763), (259, 75247172), (286, 68143418), (308, 63276031), (364, 53541257), (407, 47884564), (481, 40517708), (518, 37623586), (539, 36157732), (572, 34071709), (637, 30595004), (814, 23942282), (962, 20258854), (1001, 19469548), (1036, 18811793), (1078, 18078866), (1274, 15297502), (1628, 11971141), (1813, 10749596), (1924, 10129427), (2002, 9734774), (2156, 9039433), (2548, 7648751), (2849, 6840652), (3367, 5788244), (3626, 5374798), (4004, 4867387), (5291, 3683428), (5698, 3420326), (6734, 2894122), (7007, 2781364), (7252, 2687399), (10582, 1841714), (11396, 1710163), (13468, 1447061), (14014, 1390682), (18793, 1037036), (19943, 977236), (21164, 920857), (23569, 826892), (28028, 695341), (37037, 526204), (37586, 518518), (39886, 488618), (47138, 413446), (74074, 263102), (75172, 259259), (79772, 244309), (94276, 206723), (131551, 148148)]