19495254

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 43464960

約数和(自身を除く): 23969706

約数列:

[1, 2, 3, 6, 19, 38, 41, 43, 57, 82, 86, 97, 114, 123, 129, 194, 246, 258, 291, 582, 779, 817, 1558, 1634, 1763, 1843, 2337, 2451, 3526, 3686, 3977, 4171, 4674, 4902, 5289, 5529, 7954, 8342, 10578, 11058, 11931, 12513, 23862, 25026, 33497, 66994, 75563, 79249, 100491, 151126, 158498, 171011, 200982, 226689, 237747, 342022, 453378, 475494, 513033, 1026066, 3249209, 6498418, 9747627, 19495254]

約数ペア:

[(1, 19495254), (2, 9747627), (3, 6498418), (6, 3249209), (19, 1026066), (38, 513033), (41, 475494), (43, 453378), (57, 342022), (82, 237747), (86, 226689), (97, 200982), (114, 171011), (123, 158498), (129, 151126), (194, 100491), (246, 79249), (258, 75563), (291, 66994), (582, 33497), (779, 25026), (817, 23862), (1558, 12513), (1634, 11931), (1763, 11058), (1843, 10578), (2337, 8342), (2451, 7954), (3526, 5529), (3686, 5289), (3977, 4902), (4171, 4674)]