19886568

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{4903}}^1$

素因数の和:4938

約数の個数: 48

約数和(自身を含む): 53845920

約数和(自身を除く): 33959352

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 2028, 4056, 4903, 9806, 14709, 19612, 29418, 39224, 58836, 63739, 117672, 127478, 191217, 254956, 382434, 509912, 764868, 828607, 1529736, 1657214, 2485821, 3314428, 4971642, 6628856, 9943284, 19886568]

約数ペア:

[(1, 19886568), (2, 9943284), (3, 6628856), (4, 4971642), (6, 3314428), (8, 2485821), (12, 1657214), (13, 1529736), (24, 828607), (26, 764868), (39, 509912), (52, 382434), (78, 254956), (104, 191217), (156, 127478), (169, 117672), (312, 63739), (338, 58836), (507, 39224), (676, 29418), (1014, 19612), (1352, 14709), (2028, 9806), (4056, 4903)]