18733734

素因数分解:

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

素因数の和:111

約数の個数: 72

約数和(自身を含む): 45399960

約数和(自身を除く): 26666226

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 31, 38, 54, 57, 62, 93, 114, 171, 186, 279, 342, 361, 513, 558, 589, 722, 837, 961, 1026, 1083, 1178, 1674, 1767, 1922, 2166, 2883, 3249, 3534, 5301, 5766, 6498, 8649, 9747, 10602, 11191, 15903, 17298, 18259, 19494, 22382, 25947, 31806, 33573, 36518, 51894, 54777, 67146, 100719, 109554, 164331, 201438, 302157, 328662, 346921, 492993, 604314, 693842, 985986, 1040763, 2081526, 3122289, 6244578, 9366867, 18733734]

約数ペア:

[(1, 18733734), (2, 9366867), (3, 6244578), (6, 3122289), (9, 2081526), (18, 1040763), (19, 985986), (27, 693842), (31, 604314), (38, 492993), (54, 346921), (57, 328662), (62, 302157), (93, 201438), (114, 164331), (171, 109554), (186, 100719), (279, 67146), (342, 54777), (361, 51894), (513, 36518), (558, 33573), (589, 31806), (722, 25947), (837, 22382), (961, 19494), (1026, 18259), (1083, 17298), (1178, 15903), (1674, 11191), (1767, 10602), (1922, 9747), (2166, 8649), (2883, 6498), (3249, 5766), (3534, 5301)]