19761244

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 35542080

約数和(自身を除く): 15780836

約数列:

[1, 2, 4, 47, 94, 188, 257, 409, 514, 818, 1028, 1636, 12079, 19223, 24158, 38446, 48316, 76892, 105113, 210226, 420452, 4940311, 9880622, 19761244]

約数ペア:

[(1, 19761244), (2, 9880622), (4, 4940311), (47, 420452), (94, 210226), (188, 105113), (257, 76892), (409, 48316), (514, 38446), (818, 24158), (1028, 19223), (1636, 12079)]