18355818

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 24222102

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 109, 127, 218, 221, 254, 327, 381, 442, 654, 663, 762, 1326, 1417, 1651, 1853, 2159, 2834, 3302, 3706, 4251, 4318, 4953, 5559, 6477, 8502, 9906, 11118, 12954, 13843, 24089, 27686, 28067, 41529, 48178, 56134, 72267, 83058, 84201, 144534, 168402, 179959, 235331, 359918, 470662, 539877, 705993, 1079754, 1411986, 3059303, 6118606, 9177909, 18355818]

約数ペア:

[(1, 18355818), (2, 9177909), (3, 6118606), (6, 3059303), (13, 1411986), (17, 1079754), (26, 705993), (34, 539877), (39, 470662), (51, 359918), (78, 235331), (102, 179959), (109, 168402), (127, 144534), (218, 84201), (221, 83058), (254, 72267), (327, 56134), (381, 48178), (442, 41529), (654, 28067), (663, 27686), (762, 24089), (1326, 13843), (1417, 12954), (1651, 11118), (1853, 9906), (2159, 8502), (2834, 6477), (3302, 5559), (3706, 4953), (4251, 4318)]