19862955

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21019}}^1$

素因数の和:21040

約数の個数: 32

約数和(自身を含む): 40358400

約数和(自身を除く): 20495445

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21019, 63057, 105095, 147133, 189171, 315285, 441399, 567513, 735665, 945855, 1324197, 2206995, 2837565, 3972591, 6620985, 19862955]

約数ペア:

[(1, 19862955), (3, 6620985), (5, 3972591), (7, 2837565), (9, 2206995), (15, 1324197), (21, 945855), (27, 735665), (35, 567513), (45, 441399), (63, 315285), (105, 189171), (135, 147133), (189, 105095), (315, 63057), (945, 21019)]