18686694

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2239}}^1$

素因数の和:2364

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 21955866

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 107, 214, 321, 642, 1391, 2239, 2782, 4173, 4478, 6717, 8346, 13434, 29107, 58214, 87321, 174642, 239573, 479146, 718719, 1437438, 3114449, 6228898, 9343347, 18686694]

約数ペア:

[(1, 18686694), (2, 9343347), (3, 6228898), (6, 3114449), (13, 1437438), (26, 718719), (39, 479146), (78, 239573), (107, 174642), (214, 87321), (321, 58214), (642, 29107), (1391, 13434), (2239, 8346), (2782, 6717), (4173, 4478)]