19168461

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{563}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 30952320

約数和(自身を除く): 11783859

約数列:

[1, 3, 9, 13, 27, 39, 97, 117, 291, 351, 563, 873, 1261, 1689, 2619, 3783, 5067, 7319, 11349, 15201, 21957, 34047, 54611, 65871, 163833, 197613, 491499, 709943, 1474497, 2129829, 6389487, 19168461]

約数ペア:

[(1, 19168461), (3, 6389487), (9, 2129829), (13, 1474497), (27, 709943), (39, 491499), (97, 197613), (117, 163833), (291, 65871), (351, 54611), (563, 34047), (873, 21957), (1261, 15201), (1689, 11349), (2619, 7319), (3783, 5067)]