19790706

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{521}}^1$

素因数の和:1026

約数の個数: 32

約数和(自身を含む): 42795648

約数和(自身を除く): 23004942

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 487, 521, 974, 1042, 1461, 1563, 2922, 3126, 6331, 6773, 12662, 13546, 18993, 20319, 37986, 40638, 253727, 507454, 761181, 1522362, 3298451, 6596902, 9895353, 19790706]

約数ペア:

[(1, 19790706), (2, 9895353), (3, 6596902), (6, 3298451), (13, 1522362), (26, 761181), (39, 507454), (78, 253727), (487, 40638), (521, 37986), (974, 20319), (1042, 18993), (1461, 13546), (1563, 12662), (2922, 6773), (3126, 6331)]