19431513

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 29193216

約数和(自身を除く): 9761703

約数列:

[1, 3, 9, 31, 93, 257, 271, 279, 771, 813, 2313, 2439, 7967, 8401, 23901, 25203, 69647, 71703, 75609, 208941, 626823, 2159057, 6477171, 19431513]

約数ペア:

[(1, 19431513), (3, 6477171), (9, 2159057), (31, 626823), (93, 208941), (257, 75609), (271, 71703), (279, 69647), (771, 25203), (813, 23901), (2313, 8401), (2439, 7967)]