19561204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{3329}}^1$

素因数の和:3459

約数の個数: 24

約数和(自身を含む): 37202760

約数和(自身を除く): 17641556

約数列:

[1, 2, 4, 13, 26, 52, 113, 226, 452, 1469, 2938, 3329, 5876, 6658, 13316, 43277, 86554, 173108, 376177, 752354, 1504708, 4890301, 9780602, 19561204]

約数ペア:

[(1, 19561204), (2, 9780602), (4, 4890301), (13, 1504708), (26, 752354), (52, 376177), (113, 173108), (226, 86554), (452, 43277), (1469, 13316), (2938, 6658), (3329, 5876)]