19013805

素因数分解:

$3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1109}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 34099200

約数和(自身を除く): 15085395

約数列:

[1, 3, 5, 9, 15, 27, 45, 127, 135, 381, 635, 1109, 1143, 1905, 3327, 3429, 5545, 5715, 9981, 16635, 17145, 29943, 49905, 140843, 149715, 422529, 704215, 1267587, 2112645, 3802761, 6337935, 19013805]

約数ペア:

[(1, 19013805), (3, 6337935), (5, 3802761), (9, 2112645), (15, 1267587), (27, 704215), (45, 422529), (127, 149715), (135, 140843), (381, 49905), (635, 29943), (1109, 17145), (1143, 16635), (1905, 9981), (3327, 5715), (3429, 5545)]