17969744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4547}}^1$

素因数の和:4587

約数の個数: 40

約数和(自身を含む): 39476640

約数和(自身を除く): 21506896

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4547, 9094, 18188, 36376, 59111, 72752, 86393, 118222, 172786, 236444, 345572, 472888, 691144, 945776, 1123109, 1382288, 2246218, 4492436, 8984872, 17969744]

約数ペア:

[(1, 17969744), (2, 8984872), (4, 4492436), (8, 2246218), (13, 1382288), (16, 1123109), (19, 945776), (26, 691144), (38, 472888), (52, 345572), (76, 236444), (104, 172786), (152, 118222), (208, 86393), (247, 72752), (304, 59111), (494, 36376), (988, 18188), (1976, 9094), (3952, 4547)]