19949510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12391}}^1$

素因数の和:12428

約数の個数: 32

約数和(自身を含む): 42826752

約数和(自身を除く): 22877242

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12391, 24782, 61955, 86737, 123910, 173474, 284993, 433685, 569986, 867370, 1424965, 1994951, 2849930, 3989902, 9974755, 19949510]

約数ペア:

[(1, 19949510), (2, 9974755), (5, 3989902), (7, 2849930), (10, 1994951), (14, 1424965), (23, 867370), (35, 569986), (46, 433685), (70, 284993), (115, 173474), (161, 123910), (230, 86737), (322, 61955), (805, 24782), (1610, 12391)]