18212865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 34670592

約数和(自身を除く): 16457727

約数列:

[1, 3, 5, 11, 15, 17, 33, 43, 51, 55, 85, 129, 151, 165, 187, 215, 255, 453, 473, 561, 645, 731, 755, 935, 1419, 1661, 2193, 2265, 2365, 2567, 2805, 3655, 4983, 6493, 7095, 7701, 8041, 8305, 10965, 12835, 19479, 24123, 24915, 28237, 32465, 38505, 40205, 71423, 84711, 97395, 110381, 120615, 141185, 214269, 331143, 357115, 423555, 551905, 1071345, 1214191, 1655715, 3642573, 6070955, 18212865]

約数ペア:

[(1, 18212865), (3, 6070955), (5, 3642573), (11, 1655715), (15, 1214191), (17, 1071345), (33, 551905), (43, 423555), (51, 357115), (55, 331143), (85, 214269), (129, 141185), (151, 120615), (165, 110381), (187, 97395), (215, 84711), (255, 71423), (453, 40205), (473, 38505), (561, 32465), (645, 28237), (731, 24915), (755, 24123), (935, 19479), (1419, 12835), (1661, 10965), (2193, 8305), (2265, 8041), (2365, 7701), (2567, 7095), (2805, 6493), (3655, 4983)]