19835868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{9781}}^1$

素因数の和:9814

約数の個数: 36

約数和(自身を含む): 50122968

約数和(自身を除く): 30287100

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 9781, 19562, 29343, 39124, 58686, 117372, 127153, 254306, 381459, 508612, 762918, 1525836, 1652989, 3305978, 4958967, 6611956, 9917934, 19835868]

約数ペア:

[(1, 19835868), (2, 9917934), (3, 6611956), (4, 4958967), (6, 3305978), (12, 1652989), (13, 1525836), (26, 762918), (39, 508612), (52, 381459), (78, 254306), (156, 127153), (169, 117372), (338, 58686), (507, 39124), (676, 29343), (1014, 19562), (2028, 9781)]