19500236

素因数分解:

$2^2\times 7^3\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 40622400

約数和(自身を除く): 21122164

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 233, 244, 343, 427, 466, 686, 854, 932, 1372, 1631, 1708, 2989, 3262, 5978, 6524, 11417, 11956, 14213, 20923, 22834, 28426, 41846, 45668, 56852, 79919, 83692, 99491, 159838, 198982, 319676, 397964, 696437, 1392874, 2785748, 4875059, 9750118, 19500236]

約数ペア:

[(1, 19500236), (2, 9750118), (4, 4875059), (7, 2785748), (14, 1392874), (28, 696437), (49, 397964), (61, 319676), (98, 198982), (122, 159838), (196, 99491), (233, 83692), (244, 79919), (343, 56852), (427, 45668), (466, 41846), (686, 28426), (854, 22834), (932, 20923), (1372, 14213), (1631, 11956), (1708, 11417), (2989, 6524), (3262, 5978)]