18196664

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1997}}^1$

素因数の和:2087

約数の個数: 32

約数和(自身を含む): 36683280

約数和(自身を除く): 18486616

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 536, 1139, 1997, 2278, 3994, 4556, 7988, 9112, 15976, 33949, 67898, 133799, 135796, 267598, 271592, 535196, 1070392, 2274583, 4549166, 9098332, 18196664]

約数ペア:

[(1, 18196664), (2, 9098332), (4, 4549166), (8, 2274583), (17, 1070392), (34, 535196), (67, 271592), (68, 267598), (134, 135796), (136, 133799), (268, 67898), (536, 33949), (1139, 15976), (1997, 9112), (2278, 7988), (3994, 4556)]