19694090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{769}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 38419920

約数和(自身を除く): 18725830

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 769, 985, 1538, 1970, 2561, 3845, 5122, 7690, 9997, 12805, 19994, 25610, 49985, 99970, 151493, 302986, 757465, 1514930, 1969409, 3938818, 9847045, 19694090]

約数ペア:

[(1, 19694090), (2, 9847045), (5, 3938818), (10, 1969409), (13, 1514930), (26, 757465), (65, 302986), (130, 151493), (197, 99970), (394, 49985), (769, 25610), (985, 19994), (1538, 12805), (1970, 9997), (2561, 7690), (3845, 5122)]