19383220

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6173}}^1$

素因数の和:6339

約数の個数: 24

約数和(自身を含む): 40970664

約数和(自身を除く): 21587444

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 6173, 12346, 24692, 30865, 61730, 123460, 969161, 1938322, 3876644, 4845805, 9691610, 19383220]

約数ペア:

[(1, 19383220), (2, 9691610), (4, 4845805), (5, 3876644), (10, 1938322), (20, 969161), (157, 123460), (314, 61730), (628, 30865), (785, 24692), (1570, 12346), (3140, 6173)]