19907601

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{337}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 31799040

約数和(自身を除く): 11891439

約数列:

[1, 3, 7, 21, 29, 87, 97, 203, 291, 337, 609, 679, 1011, 2037, 2359, 2813, 7077, 8439, 9773, 19691, 29319, 32689, 59073, 68411, 98067, 205233, 228823, 686469, 947981, 2843943, 6635867, 19907601]

約数ペア:

[(1, 19907601), (3, 6635867), (7, 2843943), (21, 947981), (29, 686469), (87, 228823), (97, 205233), (203, 98067), (291, 68411), (337, 59073), (609, 32689), (679, 29319), (1011, 19691), (2037, 9773), (2359, 8439), (2813, 7077)]