19348917

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 11063883

約数列:

[1, 3, 7, 21, 79, 107, 109, 237, 321, 327, 553, 749, 763, 1659, 2247, 2289, 8453, 8611, 11663, 25359, 25833, 34989, 59171, 60277, 81641, 177513, 180831, 244923, 921377, 2764131, 6449639, 19348917]

約数ペア:

[(1, 19348917), (3, 6449639), (7, 2764131), (21, 921377), (79, 244923), (107, 180831), (109, 177513), (237, 81641), (321, 60277), (327, 59171), (553, 34989), (749, 25833), (763, 25359), (1659, 11663), (2247, 8611), (2289, 8453)]