18232371

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 40

約数和(自身を含む): 28854144

約数和(自身を除く): 10621773

約数列:

[1, 3, 9, 27, 31, 53, 81, 93, 137, 159, 279, 411, 477, 837, 1233, 1431, 1643, 2511, 3699, 4247, 4293, 4929, 7261, 11097, 12741, 14787, 21783, 38223, 44361, 65349, 114669, 133083, 196047, 225091, 344007, 588141, 675273, 2025819, 6077457, 18232371]

約数ペア:

[(1, 18232371), (3, 6077457), (9, 2025819), (27, 675273), (31, 588141), (53, 344007), (81, 225091), (93, 196047), (137, 133083), (159, 114669), (279, 65349), (411, 44361), (477, 38223), (837, 21783), (1233, 14787), (1431, 12741), (1643, 11097), (2511, 7261), (3699, 4929), (4247, 4293)]