18468256

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{1997}}^1$

素因数の和:2041

約数の個数: 36

約数和(自身を含む): 38643318

約数和(自身を除く): 20175062

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 1156, 1997, 2312, 3994, 4624, 7988, 9248, 15976, 31952, 33949, 63904, 67898, 135796, 271592, 543184, 577133, 1086368, 1154266, 2308532, 4617064, 9234128, 18468256]

約数ペア:

[(1, 18468256), (2, 9234128), (4, 4617064), (8, 2308532), (16, 1154266), (17, 1086368), (32, 577133), (34, 543184), (68, 271592), (136, 135796), (272, 67898), (289, 63904), (544, 33949), (578, 31952), (1156, 15976), (1997, 9248), (2312, 7988), (3994, 4624)]