19966093

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 25712640

約数和(自身を除く): 5746547

約数列:

[1, 7, 19, 23, 61, 107, 133, 161, 427, 437, 749, 1159, 1403, 2033, 2461, 3059, 6527, 8113, 9821, 14231, 17227, 26657, 45689, 46759, 124013, 150121, 186599, 327313, 868091, 1050847, 2852299, 19966093]

約数ペア:

[(1, 19966093), (7, 2852299), (19, 1050847), (23, 868091), (61, 327313), (107, 186599), (133, 150121), (161, 124013), (427, 46759), (437, 45689), (749, 26657), (1159, 17227), (1403, 14231), (2033, 9821), (2461, 8113), (3059, 6527)]