20181477

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{421}}^1$

素因数の和:501

約数の個数: 24

約数和(自身を含む): 29404960

約数和(自身を除く): 9223483

約数列:

[1, 3, 19, 29, 57, 87, 421, 551, 841, 1263, 1653, 2523, 7999, 12209, 15979, 23997, 36627, 47937, 231971, 354061, 695913, 1062183, 6727159, 20181477]

約数ペア:

[(1, 20181477), (3, 6727159), (19, 1062183), (29, 695913), (57, 354061), (87, 231971), (421, 47937), (551, 36627), (841, 23997), (1263, 15979), (1653, 12209), (2523, 7999)]