19677141

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 33835200

約数和(自身を除く): 14158059

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 121, 171, 209, 297, 317, 363, 513, 627, 951, 1089, 1881, 2299, 2853, 3267, 3487, 5643, 6023, 6897, 8559, 10461, 18069, 20691, 31383, 38357, 54207, 62073, 66253, 94149, 115071, 162621, 198759, 345213, 596277, 728783, 1035639, 1788831, 2186349, 6559047, 19677141]

約数ペア:

[(1, 19677141), (3, 6559047), (9, 2186349), (11, 1788831), (19, 1035639), (27, 728783), (33, 596277), (57, 345213), (99, 198759), (121, 162621), (171, 115071), (209, 94149), (297, 66253), (317, 62073), (363, 54207), (513, 38357), (627, 31383), (951, 20691), (1089, 18069), (1881, 10461), (2299, 8559), (2853, 6897), (3267, 6023), (3487, 5643)]