19003722205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{887}}^1\times {\mathrm{7013}}^1$

素因数の和:7965

約数の個数: 32

約数和(自身を含む): 25113037824

約数和(自身を除く): 6109315619

約数列:

[1, 5, 13, 47, 65, 235, 611, 887, 3055, 4435, 7013, 11531, 35065, 41689, 57655, 91169, 208445, 329611, 455845, 541957, 1648055, 2709785, 4284943, 6220531, 21424715, 31102655, 80866903, 292364957, 404334515, 1461824785, 3800744441, 19003722205]

約数ペア:

[(1, 19003722205), (5, 3800744441), (13, 1461824785), (47, 404334515), (65, 292364957), (235, 80866903), (611, 31102655), (887, 21424715), (3055, 6220531), (4435, 4284943), (7013, 2709785), (11531, 1648055), (35065, 541957), (41689, 455845), (57655, 329611), (91169, 208445)]