18459248

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:621

約数の個数: 40

約数和(自身を含む): 37759488

約数和(自身を除く): 19300240

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 103, 184, 206, 368, 412, 487, 824, 974, 1648, 1948, 2369, 3896, 4738, 7792, 9476, 11201, 18952, 22402, 37904, 44804, 50161, 89608, 100322, 179216, 200644, 401288, 802576, 1153703, 2307406, 4614812, 9229624, 18459248]

約数ペア:

[(1, 18459248), (2, 9229624), (4, 4614812), (8, 2307406), (16, 1153703), (23, 802576), (46, 401288), (92, 200644), (103, 179216), (184, 100322), (206, 89608), (368, 50161), (412, 44804), (487, 37904), (824, 22402), (974, 18952), (1648, 11201), (1948, 9476), (2369, 7792), (3896, 4738)]