2018016688

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{322573}}^1$

素因数の和:322621

約数の個数: 40

約数和(自身を含む): 4319911008

約数和(自身を除く): 2301894320

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 782, 1564, 3128, 6256, 322573, 645146, 1290292, 2580584, 5161168, 5483741, 7419179, 10967482, 14838358, 21934964, 29676716, 43869928, 59353432, 87739856, 118706864, 126126043, 252252086, 504504172, 1009008344, 2018016688]

約数ペア:

[(1, 2018016688), (2, 1009008344), (4, 504504172), (8, 252252086), (16, 126126043), (17, 118706864), (23, 87739856), (34, 59353432), (46, 43869928), (68, 29676716), (92, 21934964), (136, 14838358), (184, 10967482), (272, 7419179), (368, 5483741), (391, 5161168), (782, 2580584), (1564, 1290292), (3128, 645146), (6256, 322573)]