19578741

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2473}}^1$

素因数の和:2525

約数の個数: 32

約数和(自身を含む): 33250560

約数和(自身を除く): 13671819

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2473, 2639, 7419, 7917, 17311, 32149, 51933, 71717, 96447, 215151, 225043, 502019, 675129, 932321, 1506057, 2796963, 6526247, 19578741]

約数ペア:

[(1, 19578741), (3, 6526247), (7, 2796963), (13, 1506057), (21, 932321), (29, 675129), (39, 502019), (87, 225043), (91, 215151), (203, 96447), (273, 71717), (377, 51933), (609, 32149), (1131, 17311), (2473, 7917), (2639, 7419)]