19730061

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:523

約数の個数: 40

約数和(自身を含む): 32585784

約数和(自身を除く): 12855723

約数列:

[1, 3, 9, 13, 27, 39, 41, 81, 117, 123, 351, 369, 457, 533, 1053, 1107, 1371, 1599, 3321, 4113, 4797, 5941, 12339, 14391, 17823, 18737, 37017, 43173, 53469, 56211, 160407, 168633, 243581, 481221, 505899, 730743, 1517697, 2192229, 6576687, 19730061]

約数ペア:

[(1, 19730061), (3, 6576687), (9, 2192229), (13, 1517697), (27, 730743), (39, 505899), (41, 481221), (81, 243581), (117, 168633), (123, 160407), (351, 56211), (369, 53469), (457, 43173), (533, 37017), (1053, 18737), (1107, 17823), (1371, 14391), (1599, 12339), (3321, 5941), (4113, 4797)]