18555724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 36923040

約数和(自身を除く): 18367316

約数列:

[1, 2, 4, 11, 22, 44, 53, 73, 106, 109, 146, 212, 218, 292, 436, 583, 803, 1166, 1199, 1606, 2332, 2398, 3212, 3869, 4796, 5777, 7738, 7957, 11554, 15476, 15914, 23108, 31828, 42559, 63547, 85118, 87527, 127094, 170236, 175054, 254188, 350108, 421721, 843442, 1686884, 4638931, 9277862, 18555724]

約数ペア:

[(1, 18555724), (2, 9277862), (4, 4638931), (11, 1686884), (22, 843442), (44, 421721), (53, 350108), (73, 254188), (106, 175054), (109, 170236), (146, 127094), (212, 87527), (218, 85118), (292, 63547), (436, 42559), (583, 31828), (803, 23108), (1166, 15914), (1199, 15476), (1606, 11554), (2332, 7957), (2398, 7738), (3212, 5777), (3869, 4796)]