19808697

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 9221703

約数列:

[1, 3, 19, 53, 57, 79, 83, 159, 237, 249, 1007, 1501, 1577, 3021, 4187, 4399, 4503, 4731, 6557, 12561, 13197, 19671, 79553, 83581, 124583, 238659, 250743, 347521, 373749, 1042563, 6602899, 19808697]

約数ペア:

[(1, 19808697), (3, 6602899), (19, 1042563), (53, 373749), (57, 347521), (79, 250743), (83, 238659), (159, 124583), (237, 83581), (249, 79553), (1007, 19671), (1501, 13197), (1577, 12561), (3021, 6557), (4187, 4731), (4399, 4503)]