16878992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4271}}^1$

素因数の和:4311

約数の個数: 40

約数和(自身を含む): 37080960

約数和(自身を除く): 20201968

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4271, 8542, 17084, 34168, 55523, 68336, 81149, 111046, 162298, 222092, 324596, 444184, 649192, 888368, 1054937, 1298384, 2109874, 4219748, 8439496, 16878992]

約数ペア:

[(1, 16878992), (2, 8439496), (4, 4219748), (8, 2109874), (13, 1298384), (16, 1054937), (19, 888368), (26, 649192), (38, 444184), (52, 324596), (76, 222092), (104, 162298), (152, 111046), (208, 81149), (247, 68336), (304, 55523), (494, 34168), (988, 17084), (1976, 8542), (3952, 4271)]