19765836

素因数分解:

$2^2\times 3^3\times {\mathrm{397}}^1\times {\mathrm{461}}^1$

素因数の和:871

約数の個数: 48

約数和(自身を含む): 51485280

約数和(自身を除く): 31719444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 397, 461, 794, 922, 1191, 1383, 1588, 1844, 2382, 2766, 3573, 4149, 4764, 5532, 7146, 8298, 10719, 12447, 14292, 16596, 21438, 24894, 42876, 49788, 183017, 366034, 549051, 732068, 1098102, 1647153, 2196204, 3294306, 4941459, 6588612, 9882918, 19765836]

約数ペア:

[(1, 19765836), (2, 9882918), (3, 6588612), (4, 4941459), (6, 3294306), (9, 2196204), (12, 1647153), (18, 1098102), (27, 732068), (36, 549051), (54, 366034), (108, 183017), (397, 49788), (461, 42876), (794, 24894), (922, 21438), (1191, 16596), (1383, 14292), (1588, 12447), (1844, 10719), (2382, 8298), (2766, 7146), (3573, 5532), (4149, 4764)]