19211451

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 31219200

約数和(自身を除く): 12007749

約数列:

[1, 3, 7, 19, 21, 57, 89, 133, 267, 399, 541, 623, 1623, 1691, 1869, 3787, 5073, 10279, 11361, 11837, 30837, 35511, 48149, 71953, 144447, 215859, 337043, 914831, 1011129, 2744493, 6403817, 19211451]

約数ペア:

[(1, 19211451), (3, 6403817), (7, 2744493), (19, 1011129), (21, 914831), (57, 337043), (89, 215859), (133, 144447), (267, 71953), (399, 48149), (541, 35511), (623, 30837), (1623, 11837), (1691, 11361), (1869, 10279), (3787, 5073)]