18937592

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{8191}}^1$

素因数の和:8231

約数の個数: 24

約数和(自身を含む): 37724160

約数和(自身を除く): 18786568

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 8191, 16382, 32764, 65528, 139247, 278494, 556988, 1113976, 2367199, 4734398, 9468796, 18937592]

約数ペア:

[(1, 18937592), (2, 9468796), (4, 4734398), (8, 2367199), (17, 1113976), (34, 556988), (68, 278494), (136, 139247), (289, 65528), (578, 32764), (1156, 16382), (2312, 8191)]