18690892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 37545984

約数和(自身を除く): 18855092

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 71, 124, 142, 193, 284, 341, 386, 682, 772, 781, 1364, 1562, 2123, 2201, 3124, 4246, 4402, 5983, 8492, 8804, 11966, 13703, 23932, 24211, 27406, 48422, 54812, 65813, 96844, 131626, 150733, 263252, 301466, 424793, 602932, 849586, 1699172, 4672723, 9345446, 18690892]

約数ペア:

[(1, 18690892), (2, 9345446), (4, 4672723), (11, 1699172), (22, 849586), (31, 602932), (44, 424793), (62, 301466), (71, 263252), (124, 150733), (142, 131626), (193, 96844), (284, 65813), (341, 54812), (386, 48422), (682, 27406), (772, 24211), (781, 23932), (1364, 13703), (1562, 11966), (2123, 8804), (2201, 8492), (3124, 5983), (4246, 4402)]