18287163220

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1\times {\mathrm{16477}}^1$

素因数の和:16960

約数の個数: 48

約数和(自身を含む): 38734109568

約数和(自身を除く): 20446946348

約数列:

[1, 2, 4, 5, 10, 20, 211, 263, 422, 526, 844, 1052, 1055, 1315, 2110, 2630, 4220, 5260, 16477, 32954, 55493, 65908, 82385, 110986, 164770, 221972, 277465, 329540, 554930, 1109860, 3476647, 4333451, 6953294, 8666902, 13906588, 17333804, 17383235, 21667255, 34766470, 43334510, 69532940, 86669020, 914358161, 1828716322, 3657432644, 4571790805, 9143581610, 18287163220]

約数ペア:

[(1, 18287163220), (2, 9143581610), (4, 4571790805), (5, 3657432644), (10, 1828716322), (20, 914358161), (211, 86669020), (263, 69532940), (422, 43334510), (526, 34766470), (844, 21667255), (1052, 17383235), (1055, 17333804), (1315, 13906588), (2110, 8666902), (2630, 6953294), (4220, 4333451), (5260, 3476647), (16477, 1109860), (32954, 554930), (55493, 329540), (65908, 277465), (82385, 221972), (110986, 164770)]