16981744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4297}}^1$

素因数の和:4337

約数の個数: 40

約数和(自身を含む): 37306640

約数和(自身を除く): 20324896

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4297, 8594, 17188, 34376, 55861, 68752, 81643, 111722, 163286, 223444, 326572, 446888, 653144, 893776, 1061359, 1306288, 2122718, 4245436, 8490872, 16981744]

約数ペア:

[(1, 16981744), (2, 8490872), (4, 4245436), (8, 2122718), (13, 1306288), (16, 1061359), (19, 893776), (26, 653144), (38, 446888), (52, 326572), (76, 223444), (104, 163286), (152, 111722), (208, 81643), (247, 68752), (304, 55861), (494, 34376), (988, 17188), (1976, 8594), (3952, 4297)]