19656884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6197}}^1$

素因数の和:6275

約数の個数: 24

約数和(自身を含む): 37659048

約数和(自身を除く): 18002164

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 6197, 12394, 24788, 80561, 161122, 322244, 378017, 756034, 1512068, 4914221, 9828442, 19656884]

約数ペア:

[(1, 19656884), (2, 9828442), (4, 4914221), (13, 1512068), (26, 756034), (52, 378017), (61, 322244), (122, 161122), (244, 80561), (793, 24788), (1586, 12394), (3172, 6197)]