19795455

素因数分解:

$3^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{443}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 35377920

約数和(自身を除く): 15582465

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 331, 443, 993, 1329, 1655, 2215, 2979, 3987, 4965, 6645, 8937, 11961, 14895, 19935, 44685, 59805, 146633, 439899, 733165, 1319697, 2199495, 3959091, 6598485, 19795455]

約数ペア:

[(1, 19795455), (3, 6598485), (5, 3959091), (9, 2199495), (15, 1319697), (27, 733165), (45, 439899), (135, 146633), (331, 59805), (443, 44685), (993, 19935), (1329, 14895), (1655, 11961), (2215, 8937), (2979, 6645), (3987, 4965)]