19640454

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 40421376

約数和(自身を除く): 20780922

約数列:

[1, 2, 3, 6, 47, 94, 141, 257, 271, 282, 514, 542, 771, 813, 1542, 1626, 12079, 12737, 24158, 25474, 36237, 38211, 69647, 72474, 76422, 139294, 208941, 417882, 3273409, 6546818, 9820227, 19640454]

約数ペア:

[(1, 19640454), (2, 9820227), (3, 6546818), (6, 3273409), (47, 417882), (94, 208941), (141, 139294), (257, 76422), (271, 72474), (282, 69647), (514, 38211), (542, 36237), (771, 25474), (813, 24158), (1542, 12737), (1626, 12079)]