19549959

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 30912000

約数和(自身を除く): 11362041

約数列:

[1, 3, 11, 13, 33, 39, 143, 199, 229, 429, 597, 687, 2189, 2519, 2587, 2977, 6567, 7557, 7761, 8931, 28457, 32747, 45571, 85371, 98241, 136713, 501281, 592423, 1503843, 1777269, 6516653, 19549959]

約数ペア:

[(1, 19549959), (3, 6516653), (11, 1777269), (13, 1503843), (33, 592423), (39, 501281), (143, 136713), (199, 98241), (229, 85371), (429, 45571), (597, 32747), (687, 28457), (2189, 8931), (2519, 7761), (2587, 7557), (2977, 6567)]