19303221

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 31334400

約数和(自身を除く): 12031179

約数列:

[1, 3, 7, 19, 21, 57, 101, 133, 303, 399, 479, 707, 1437, 1919, 2121, 3353, 5757, 9101, 10059, 13433, 27303, 40299, 48379, 63707, 145137, 191121, 338653, 919201, 1015959, 2757603, 6434407, 19303221]

約数ペア:

[(1, 19303221), (3, 6434407), (7, 2757603), (19, 1015959), (21, 919201), (57, 338653), (101, 191121), (133, 145137), (303, 63707), (399, 48379), (479, 40299), (707, 27303), (1437, 13433), (1919, 10059), (2121, 9101), (3353, 5757)]