20188113

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 30868992

約数和(自身を除く): 10680879

約数列:

[1, 3, 11, 33, 41, 43, 123, 129, 347, 451, 473, 1041, 1353, 1419, 1763, 3817, 5289, 11451, 14227, 14921, 19393, 42681, 44763, 58179, 156497, 164131, 469491, 492393, 611761, 1835283, 6729371, 20188113]

約数ペア:

[(1, 20188113), (3, 6729371), (11, 1835283), (33, 611761), (41, 492393), (43, 469491), (123, 164131), (129, 156497), (347, 58179), (451, 44763), (473, 42681), (1041, 19393), (1353, 14921), (1419, 14227), (1763, 11451), (3817, 5289)]