18098900872

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{431831}}^1$

素因数の和:431894

約数の個数: 48

約数和(自身を含む): 37932122880

約数和(自身を除く): 19833222008

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 169, 248, 338, 403, 676, 806, 1352, 1612, 3224, 5239, 10478, 20956, 41912, 431831, 863662, 1727324, 3454648, 5613803, 11227606, 13386761, 22455212, 26773522, 44910424, 53547044, 72979439, 107094088, 145958878, 174027893, 291917756, 348055786, 583835512, 696111572, 1392223144, 2262362609, 4524725218, 9049450436, 18098900872]

約数ペア:

[(1, 18098900872), (2, 9049450436), (4, 4524725218), (8, 2262362609), (13, 1392223144), (26, 696111572), (31, 583835512), (52, 348055786), (62, 291917756), (104, 174027893), (124, 145958878), (169, 107094088), (248, 72979439), (338, 53547044), (403, 44910424), (676, 26773522), (806, 22455212), (1352, 13386761), (1612, 11227606), (3224, 5613803), (5239, 3454648), (10478, 1727324), (20956, 863662), (41912, 431831)]