19963215

素因数分解:

$3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1637}}^1$

素因数の和:1919

約数の個数: 24

約数和(自身を含む): 34751808

約数和(自身を除く): 14788593

約数列:

[1, 3, 5, 9, 15, 45, 271, 813, 1355, 1637, 2439, 4065, 4911, 8185, 12195, 14733, 24555, 73665, 443627, 1330881, 2218135, 3992643, 6654405, 19963215]

約数ペア:

[(1, 19963215), (3, 6654405), (5, 3992643), (9, 2218135), (15, 1330881), (45, 443627), (271, 73665), (813, 24555), (1355, 14733), (1637, 12195), (2439, 8185), (4065, 4911)]