19772853

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 29154816

約数和(自身を除く): 9381963

約数列:

[1, 3, 17, 47, 51, 73, 113, 141, 219, 339, 799, 1241, 1921, 2397, 3431, 3723, 5311, 5763, 8249, 10293, 15933, 24747, 58327, 90287, 140233, 174981, 270861, 387703, 420699, 1163109, 6590951, 19772853]

約数ペア:

[(1, 19772853), (3, 6590951), (17, 1163109), (47, 420699), (51, 387703), (73, 270861), (113, 174981), (141, 140233), (219, 90287), (339, 58327), (799, 24747), (1241, 15933), (1921, 10293), (2397, 8249), (3431, 5763), (3723, 5311)]