19742710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7993}}^1$

素因数の和:8032

約数の個数: 32

約数和(自身を含む): 40289760

約数和(自身を除く): 20547050

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 7993, 15986, 39965, 79930, 103909, 151867, 207818, 303734, 519545, 759335, 1039090, 1518670, 1974271, 3948542, 9871355, 19742710]

約数ペア:

[(1, 19742710), (2, 9871355), (5, 3948542), (10, 1974271), (13, 1518670), (19, 1039090), (26, 759335), (38, 519545), (65, 303734), (95, 207818), (130, 151867), (190, 103909), (247, 79930), (494, 39965), (1235, 15986), (2470, 7993)]