19337199

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 31051776

約数和(自身を除く): 11714577

約数列:

[1, 3, 7, 21, 37, 41, 111, 123, 259, 287, 607, 777, 861, 1517, 1821, 4249, 4551, 10619, 12747, 22459, 24887, 31857, 67377, 74661, 157213, 174209, 471639, 522627, 920819, 2762457, 6445733, 19337199]

約数ペア:

[(1, 19337199), (3, 6445733), (7, 2762457), (21, 920819), (37, 522627), (41, 471639), (111, 174209), (123, 157213), (259, 74661), (287, 67377), (607, 31857), (777, 24887), (861, 22459), (1517, 12747), (1821, 10619), (4249, 4551)]