19019205

素因数分解:

$3^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:479

約数の個数: 40

約数和(自身を含む): 34429824

約数和(自身を除く): 15410619

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 151, 311, 405, 453, 755, 933, 1359, 1555, 2265, 2799, 4077, 4665, 6795, 8397, 12231, 13995, 20385, 25191, 41985, 46961, 61155, 125955, 140883, 234805, 422649, 704415, 1267947, 2113245, 3803841, 6339735, 19019205]

約数ペア:

[(1, 19019205), (3, 6339735), (5, 3803841), (9, 2113245), (15, 1267947), (27, 704415), (45, 422649), (81, 234805), (135, 140883), (151, 125955), (311, 61155), (405, 46961), (453, 41985), (755, 25191), (933, 20385), (1359, 13995), (1555, 12231), (2265, 8397), (2799, 6795), (4077, 4665)]