19293378

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 42690240

約数和(自身を除く): 23396862

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 169, 318, 338, 359, 507, 689, 718, 1014, 1077, 1378, 2067, 2154, 4134, 4667, 8957, 9334, 14001, 17914, 19027, 26871, 28002, 38054, 53742, 57081, 60671, 114162, 121342, 182013, 247351, 364026, 494702, 742053, 1484106, 3215563, 6431126, 9646689, 19293378]

約数ペア:

[(1, 19293378), (2, 9646689), (3, 6431126), (6, 3215563), (13, 1484106), (26, 742053), (39, 494702), (53, 364026), (78, 247351), (106, 182013), (159, 121342), (169, 114162), (318, 60671), (338, 57081), (359, 53742), (507, 38054), (689, 28002), (718, 26871), (1014, 19027), (1077, 17914), (1378, 14001), (2067, 9334), (2154, 8957), (4134, 4667)]