19459804

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 42282688

約数和(自身を除く): 22822884

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 193, 277, 364, 386, 554, 772, 1108, 1351, 1939, 2509, 2702, 3601, 3878, 5018, 5404, 7202, 7756, 10036, 14404, 17563, 25207, 35126, 50414, 53461, 70252, 100828, 106922, 213844, 374227, 694993, 748454, 1389986, 1496908, 2779972, 4864951, 9729902, 19459804]

約数ペア:

[(1, 19459804), (2, 9729902), (4, 4864951), (7, 2779972), (13, 1496908), (14, 1389986), (26, 748454), (28, 694993), (52, 374227), (91, 213844), (182, 106922), (193, 100828), (277, 70252), (364, 53461), (386, 50414), (554, 35126), (772, 25207), (1108, 17563), (1351, 14404), (1939, 10036), (2509, 7756), (2702, 7202), (3601, 5404), (3878, 5018)]