2018661872

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{125789}}^1$

素因数の和:125873

約数の個数: 40

約数和(自身を含む): 4211449200

約数和(自身を除く): 2192787328

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 68, 118, 136, 236, 272, 472, 944, 1003, 2006, 4012, 8024, 16048, 125789, 251578, 503156, 1006312, 2012624, 2138413, 4276826, 7421551, 8553652, 14843102, 17107304, 29686204, 34214608, 59372408, 118744816, 126166367, 252332734, 504665468, 1009330936, 2018661872]

約数ペア:

[(1, 2018661872), (2, 1009330936), (4, 504665468), (8, 252332734), (16, 126166367), (17, 118744816), (34, 59372408), (59, 34214608), (68, 29686204), (118, 17107304), (136, 14843102), (236, 8553652), (272, 7421551), (472, 4276826), (944, 2138413), (1003, 2012624), (2006, 1006312), (4012, 503156), (8024, 251578), (16048, 125789)]