17975846

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 33247872

約数和(自身を除く): 15272026

約数列:

[1, 2, 7, 14, 31, 49, 61, 62, 97, 98, 122, 194, 217, 427, 434, 679, 854, 1358, 1519, 1891, 2989, 3007, 3038, 3782, 4753, 5917, 5978, 6014, 9506, 11834, 13237, 21049, 26474, 41419, 42098, 82838, 92659, 147343, 183427, 185318, 289933, 294686, 366854, 579866, 1283989, 2567978, 8987923, 17975846]

約数ペア:

[(1, 17975846), (2, 8987923), (7, 2567978), (14, 1283989), (31, 579866), (49, 366854), (61, 294686), (62, 289933), (97, 185318), (98, 183427), (122, 147343), (194, 92659), (217, 82838), (427, 42098), (434, 41419), (679, 26474), (854, 21049), (1358, 13237), (1519, 11834), (1891, 9506), (2989, 6014), (3007, 5978), (3038, 5917), (3782, 4753)]