19792388

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{359}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 23753212

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 179, 308, 358, 359, 716, 718, 1253, 1436, 1969, 2506, 2513, 3938, 3949, 5012, 5026, 7876, 7898, 10052, 13783, 15796, 27566, 27643, 55132, 55286, 64261, 110572, 128522, 257044, 449827, 706871, 899654, 1413742, 1799308, 2827484, 4948097, 9896194, 19792388]

約数ペア:

[(1, 19792388), (2, 9896194), (4, 4948097), (7, 2827484), (11, 1799308), (14, 1413742), (22, 899654), (28, 706871), (44, 449827), (77, 257044), (154, 128522), (179, 110572), (308, 64261), (358, 55286), (359, 55132), (716, 27643), (718, 27566), (1253, 15796), (1436, 13783), (1969, 10052), (2506, 7898), (2513, 7876), (3938, 5026), (3949, 5012)]