19794915

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{20947}}^1$

素因数の和:20968

約数の個数: 32

約数和(自身を含む): 40220160

約数和(自身を除く): 20425245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 20947, 62841, 104735, 146629, 188523, 314205, 439887, 565569, 733145, 942615, 1319661, 2199435, 2827845, 3958983, 6598305, 19794915]

約数ペア:

[(1, 19794915), (3, 6598305), (5, 3958983), (7, 2827845), (9, 2199435), (15, 1319661), (21, 942615), (27, 733145), (35, 565569), (45, 439887), (63, 314205), (105, 188523), (135, 146629), (189, 104735), (315, 62841), (945, 20947)]