19259786

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 38320128

約数和(自身を除く): 19060342

約数列:

[1, 2, 7, 13, 14, 23, 26, 43, 46, 86, 91, 107, 161, 182, 214, 299, 301, 322, 559, 598, 602, 749, 989, 1118, 1391, 1498, 1978, 2093, 2461, 2782, 3913, 4186, 4601, 4922, 6923, 7826, 9202, 9737, 12857, 13846, 17227, 19474, 25714, 31993, 32207, 34454, 59813, 63986, 64414, 89999, 105823, 119626, 179998, 211646, 223951, 418691, 447902, 740761, 837382, 1375699, 1481522, 2751398, 9629893, 19259786]

約数ペア:

[(1, 19259786), (2, 9629893), (7, 2751398), (13, 1481522), (14, 1375699), (23, 837382), (26, 740761), (43, 447902), (46, 418691), (86, 223951), (91, 211646), (107, 179998), (161, 119626), (182, 105823), (214, 89999), (299, 64414), (301, 63986), (322, 59813), (559, 34454), (598, 32207), (602, 31993), (749, 25714), (989, 19474), (1118, 17227), (1391, 13846), (1498, 12857), (1978, 9737), (2093, 9202), (2461, 7826), (2782, 6923), (3913, 4922), (4186, 4601)]