18613790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1093}}^1$

素因数の和:1244

約数の個数: 32

約数和(自身を含む): 36390816

約数和(自身を除く): 17777026

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 1093, 1310, 1703, 2186, 3406, 5465, 8515, 10930, 14209, 17030, 28418, 71045, 142090, 143183, 286366, 715915, 1431830, 1861379, 3722758, 9306895, 18613790]

約数ペア:

[(1, 18613790), (2, 9306895), (5, 3722758), (10, 1861379), (13, 1431830), (26, 715915), (65, 286366), (130, 143183), (131, 142090), (262, 71045), (655, 28418), (1093, 17030), (1310, 14209), (1703, 10930), (2186, 8515), (3406, 5465)]