18671168

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{131}}^2$

素因数の和:291

約数の個数: 42

約数和(自身を含む): 39531798

約数和(自身を除く): 20860630

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 131, 136, 262, 272, 524, 544, 1048, 1088, 2096, 2227, 4192, 4454, 8384, 8908, 17161, 17816, 34322, 35632, 68644, 71264, 137288, 142528, 274576, 291737, 549152, 583474, 1098304, 1166948, 2333896, 4667792, 9335584, 18671168]

約数ペア:

[(1, 18671168), (2, 9335584), (4, 4667792), (8, 2333896), (16, 1166948), (17, 1098304), (32, 583474), (34, 549152), (64, 291737), (68, 274576), (131, 142528), (136, 137288), (262, 71264), (272, 68644), (524, 35632), (544, 34322), (1048, 17816), (1088, 17161), (2096, 8908), (2227, 8384), (4192, 4454)]