19745733

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 31124736

約数和(自身を除く): 11379003

約数列:

[1, 3, 7, 21, 53, 113, 157, 159, 339, 371, 471, 791, 1099, 1113, 2373, 3297, 5989, 8321, 17741, 17967, 24963, 41923, 53223, 58247, 124187, 125769, 174741, 372561, 940273, 2820819, 6581911, 19745733]

約数ペア:

[(1, 19745733), (3, 6581911), (7, 2820819), (21, 940273), (53, 372561), (113, 174741), (157, 125769), (159, 124187), (339, 58247), (371, 53223), (471, 41923), (791, 24963), (1099, 17967), (1113, 17741), (2373, 8321), (3297, 5989)]