19840897761

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1\times {\mathrm{17299}}^1$

素因数の和:17885

約数の個数: 32

約数和(自身を含む): 28718553600

約数和(自身を除く): 8877655839

約数列:

[1, 3, 17, 43, 51, 129, 523, 731, 1569, 2193, 8891, 17299, 22489, 26673, 51897, 67467, 294083, 382313, 743857, 882249, 1146939, 2231571, 9047377, 12645569, 27142131, 37936707, 153805409, 389037211, 461416227, 1167111633, 6613632587, 19840897761]

約数ペア:

[(1, 19840897761), (3, 6613632587), (17, 1167111633), (43, 461416227), (51, 389037211), (129, 153805409), (523, 37936707), (731, 27142131), (1569, 12645569), (2193, 9047377), (8891, 2231571), (17299, 1146939), (22489, 882249), (26673, 743857), (51897, 382313), (67467, 294083)]