18390290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{641}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 35130240

約数和(自身を除く): 16739950

約数列:

[1, 2, 5, 10, 19, 38, 95, 151, 190, 302, 641, 755, 1282, 1510, 2869, 3205, 5738, 6410, 12179, 14345, 24358, 28690, 60895, 96791, 121790, 193582, 483955, 967910, 1839029, 3678058, 9195145, 18390290]

約数ペア:

[(1, 18390290), (2, 9195145), (5, 3678058), (10, 1839029), (19, 967910), (38, 483955), (95, 193582), (151, 121790), (190, 96791), (302, 60895), (641, 28690), (755, 24358), (1282, 14345), (1510, 12179), (2869, 6410), (3205, 5738)]