18563668

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:364

約数の個数: 36

約数和(自身を含む): 35179648

約数和(自身を除く): 16615980

約数列:

[1, 2, 4, 23, 31, 46, 62, 92, 124, 283, 529, 566, 713, 1058, 1132, 1426, 2116, 2852, 6509, 8773, 13018, 16399, 17546, 26036, 32798, 35092, 65596, 149707, 201779, 299414, 403558, 598828, 807116, 4640917, 9281834, 18563668]

約数ペア:

[(1, 18563668), (2, 9281834), (4, 4640917), (23, 807116), (31, 598828), (46, 403558), (62, 299414), (92, 201779), (124, 149707), (283, 65596), (529, 35092), (566, 32798), (713, 26036), (1058, 17546), (1132, 16399), (1426, 13018), (2116, 8773), (2852, 6509)]