13931028

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 40113920

約数和(自身を除く): 26182892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 31, 36, 38, 54, 57, 62, 73, 76, 81, 93, 108, 114, 124, 146, 162, 171, 186, 219, 228, 279, 292, 324, 342, 372, 438, 513, 558, 589, 657, 684, 837, 876, 1026, 1116, 1178, 1314, 1387, 1539, 1674, 1767, 1971, 2052, 2263, 2356, 2511, 2628, 2774, 3078, 3348, 3534, 3942, 4161, 4526, 5022, 5301, 5548, 5913, 6156, 6789, 7068, 7884, 8322, 9052, 10044, 10602, 11826, 12483, 13578, 15903, 16644, 20367, 21204, 23652, 24966, 27156, 31806, 37449, 40734, 42997, 47709, 49932, 61101, 63612, 74898, 81468, 85994, 95418, 112347, 122202, 128991, 149796, 171988, 183303, 190836, 224694, 244404, 257982, 366606, 386973, 449388, 515964, 733212, 773946, 1160919, 1547892, 2321838, 3482757, 4643676, 6965514, 13931028]

約数ペア:

[(1, 13931028), (2, 6965514), (3, 4643676), (4, 3482757), (6, 2321838), (9, 1547892), (12, 1160919), (18, 773946), (19, 733212), (27, 515964), (31, 449388), (36, 386973), (38, 366606), (54, 257982), (57, 244404), (62, 224694), (73, 190836), (76, 183303), (81, 171988), (93, 149796), (108, 128991), (114, 122202), (124, 112347), (146, 95418), (162, 85994), (171, 81468), (186, 74898), (219, 63612), (228, 61101), (279, 49932), (292, 47709), (324, 42997), (342, 40734), (372, 37449), (438, 31806), (513, 27156), (558, 24966), (589, 23652), (657, 21204), (684, 20367), (837, 16644), (876, 15903), (1026, 13578), (1116, 12483), (1178, 11826), (1314, 10602), (1387, 10044), (1539, 9052), (1674, 8322), (1767, 7884), (1971, 7068), (2052, 6789), (2263, 6156), (2356, 5913), (2511, 5548), (2628, 5301), (2774, 5022), (3078, 4526), (3348, 4161), (3534, 3942)]