19213292

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1607}}^1$

素因数の和:1686

約数の個数: 36

約数和(自身を含む): 39778704

約数和(自身を除く): 20565412

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1607, 1708, 2989, 3214, 5978, 6428, 11249, 11956, 22498, 44996, 78743, 98027, 157486, 196054, 314972, 392108, 686189, 1372378, 2744756, 4803323, 9606646, 19213292]

約数ペア:

[(1, 19213292), (2, 9606646), (4, 4803323), (7, 2744756), (14, 1372378), (28, 686189), (49, 392108), (61, 314972), (98, 196054), (122, 157486), (196, 98027), (244, 78743), (427, 44996), (854, 22498), (1607, 11956), (1708, 11249), (2989, 6428), (3214, 5978)]