18774680288

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{6709}}^1$

素因数の和:6801

約数の個数: 144

約数和(自身を含む): 47014339680

約数和(自身を除く): 28239659392

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 224, 248, 364, 403, 416, 434, 496, 728, 806, 868, 961, 992, 1456, 1612, 1736, 1922, 2821, 2912, 3224, 3472, 3844, 5642, 6448, 6709, 6727, 6944, 7688, 11284, 12493, 12896, 13418, 13454, 15376, 22568, 24986, 26836, 26908, 30752, 45136, 46963, 49972, 53672, 53816, 87217, 87451, 90272, 93926, 99944, 107344, 107632, 174434, 174902, 187852, 199888, 207979, 214688, 215264, 348868, 349804, 375704, 399776, 415958, 610519, 697736, 699608, 751408, 831916, 1221038, 1395472, 1399216, 1455853, 1502816, 1663832, 2442076, 2703727, 2790944, 2798432, 2911706, 3327664, 4884152, 5407454, 5823412, 6447349, 6655328, 9768304, 10814908, 11646824, 12894698, 18926089, 19536608, 21629816, 23293648, 25789396, 37852178, 43259632, 45131443, 46587296, 51578792, 75704356, 83815537, 86519264, 90262886, 103157584, 151408712, 167631074, 180525772, 206315168, 302817424, 335262148, 361051544, 586708759, 605634848, 670524296, 722103088, 1173417518, 1341048592, 1444206176, 2346835036, 2682097184, 4693670072, 9387340144, 18774680288]

約数ペア:

[(1, 18774680288), (2, 9387340144), (4, 4693670072), (7, 2682097184), (8, 2346835036), (13, 1444206176), (14, 1341048592), (16, 1173417518), (26, 722103088), (28, 670524296), (31, 605634848), (32, 586708759), (52, 361051544), (56, 335262148), (62, 302817424), (91, 206315168), (104, 180525772), (112, 167631074), (124, 151408712), (182, 103157584), (208, 90262886), (217, 86519264), (224, 83815537), (248, 75704356), (364, 51578792), (403, 46587296), (416, 45131443), (434, 43259632), (496, 37852178), (728, 25789396), (806, 23293648), (868, 21629816), (961, 19536608), (992, 18926089), (1456, 12894698), (1612, 11646824), (1736, 10814908), (1922, 9768304), (2821, 6655328), (2912, 6447349), (3224, 5823412), (3472, 5407454), (3844, 4884152), (5642, 3327664), (6448, 2911706), (6709, 2798432), (6727, 2790944), (6944, 2703727), (7688, 2442076), (11284, 1663832), (12493, 1502816), (12896, 1455853), (13418, 1399216), (13454, 1395472), (15376, 1221038), (22568, 831916), (24986, 751408), (26836, 699608), (26908, 697736), (30752, 610519), (45136, 415958), (46963, 399776), (49972, 375704), (53672, 349804), (53816, 348868), (87217, 215264), (87451, 214688), (90272, 207979), (93926, 199888), (99944, 187852), (107344, 174902), (107632, 174434)]