19937631

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{467}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 12410529

約数列:

[1, 3, 7, 19, 21, 57, 107, 133, 321, 399, 467, 749, 1401, 2033, 2247, 3269, 6099, 8873, 9807, 14231, 26619, 42693, 49969, 62111, 149907, 186333, 349783, 949411, 1049349, 2848233, 6645877, 19937631]

約数ペア:

[(1, 19937631), (3, 6645877), (7, 2848233), (19, 1049349), (21, 949411), (57, 349783), (107, 186333), (133, 149907), (321, 62111), (399, 49969), (467, 42693), (749, 26619), (1401, 14231), (2033, 9807), (2247, 8873), (3269, 6099)]