18531836

素因数分解:

$2^2\times {\mathrm{17}}^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:119

約数の個数: 48

約数和(自身を含む): 36832320

約数和(自身を除く): 18300484

約数列:

[1, 2, 4, 17, 23, 34, 41, 46, 68, 82, 92, 164, 289, 391, 578, 697, 782, 943, 1156, 1394, 1564, 1886, 2788, 3772, 4913, 6647, 9826, 11849, 13294, 16031, 19652, 23698, 26588, 32062, 47396, 64124, 112999, 201433, 225998, 272527, 402866, 451996, 545054, 805732, 1090108, 4632959, 9265918, 18531836]

約数ペア:

[(1, 18531836), (2, 9265918), (4, 4632959), (17, 1090108), (23, 805732), (34, 545054), (41, 451996), (46, 402866), (68, 272527), (82, 225998), (92, 201433), (164, 112999), (289, 64124), (391, 47396), (578, 32062), (697, 26588), (782, 23698), (943, 19652), (1156, 16031), (1394, 13294), (1564, 11849), (1886, 9826), (2788, 6647), (3772, 4913)]