19390665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1223}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 35721216

約数和(自身を除く): 16330551

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 151, 453, 755, 1057, 1223, 2265, 3171, 3669, 5285, 6115, 8561, 15855, 18345, 25683, 42805, 128415, 184673, 554019, 923365, 1292711, 2770095, 3878133, 6463555, 19390665]

約数ペア:

[(1, 19390665), (3, 6463555), (5, 3878133), (7, 2770095), (15, 1292711), (21, 923365), (35, 554019), (105, 184673), (151, 128415), (453, 42805), (755, 25683), (1057, 18345), (1223, 15855), (2265, 8561), (3171, 6115), (3669, 5285)]