19189521

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2377}}^1$

素因数の和:2422

約数の個数: 32

約数和(自身を含む): 31960320

約数和(自身を除く): 12770799

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2377, 2691, 7131, 8073, 21393, 30901, 54671, 64179, 92703, 164013, 278109, 492039, 710723, 834327, 1476117, 2132169, 6396507, 19189521]

約数ペア:

[(1, 19189521), (3, 6396507), (9, 2132169), (13, 1476117), (23, 834327), (27, 710723), (39, 492039), (69, 278109), (117, 164013), (207, 92703), (299, 64179), (351, 54671), (621, 30901), (897, 21393), (2377, 8073), (2691, 7131)]