19756744

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4969}}^1$

素因数の和:5053

約数の個数: 32

約数和(自身を含む): 42940800

約数和(自身を除く): 23184056

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 4969, 9938, 19876, 34783, 39752, 69566, 139132, 278264, 352799, 705598, 1411196, 2469593, 2822392, 4939186, 9878372, 19756744]

約数ペア:

[(1, 19756744), (2, 9878372), (4, 4939186), (7, 2822392), (8, 2469593), (14, 1411196), (28, 705598), (56, 352799), (71, 278264), (142, 139132), (284, 69566), (497, 39752), (568, 34783), (994, 19876), (1988, 9938), (3976, 4969)]