18381232

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:481

約数の個数: 40

約数和(自身を含む): 37497600

約数和(自身を除く): 19116368

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 199, 251, 368, 398, 502, 796, 1004, 1592, 2008, 3184, 4016, 4577, 5773, 9154, 11546, 18308, 23092, 36616, 46184, 49949, 73232, 92368, 99898, 199796, 399592, 799184, 1148827, 2297654, 4595308, 9190616, 18381232]

約数ペア:

[(1, 18381232), (2, 9190616), (4, 4595308), (8, 2297654), (16, 1148827), (23, 799184), (46, 399592), (92, 199796), (184, 99898), (199, 92368), (251, 73232), (368, 49949), (398, 46184), (502, 36616), (796, 23092), (1004, 18308), (1592, 11546), (2008, 9154), (3184, 5773), (4016, 4577)]