19597653

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 30097280

約数和(自身を除く): 10499627

約数列:

[1, 3, 9, 27, 61, 73, 163, 183, 219, 489, 549, 657, 1467, 1647, 1971, 4401, 4453, 9943, 11899, 13359, 29829, 35697, 40077, 89487, 107091, 120231, 268461, 321273, 725839, 2177517, 6532551, 19597653]

約数ペア:

[(1, 19597653), (3, 6532551), (9, 2177517), (27, 725839), (61, 321273), (73, 268461), (163, 120231), (183, 107091), (219, 89487), (489, 40077), (549, 35697), (657, 29829), (1467, 13359), (1647, 11899), (1971, 9943), (4401, 4453)]