19974633

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{503}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 31997952

約数和(自身を除く): 12023319

約数列:

[1, 3, 7, 21, 31, 61, 93, 183, 217, 427, 503, 651, 1281, 1509, 1891, 3521, 5673, 10563, 13237, 15593, 30683, 39711, 46779, 92049, 109151, 214781, 327453, 644343, 951173, 2853519, 6658211, 19974633]

約数ペア:

[(1, 19974633), (3, 6658211), (7, 2853519), (21, 951173), (31, 644343), (61, 327453), (93, 214781), (183, 109151), (217, 92049), (427, 46779), (503, 39711), (651, 30683), (1281, 15593), (1509, 13237), (1891, 10563), (3521, 5673)]