19906922

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 35054208

約数和(自身を除く): 15147286

約数列:

[1, 2, 7, 14, 97, 107, 137, 194, 214, 274, 679, 749, 959, 1358, 1498, 1918, 10379, 13289, 14659, 20758, 26578, 29318, 72653, 93023, 102613, 145306, 186046, 205226, 1421923, 2843846, 9953461, 19906922]

約数ペア:

[(1, 19906922), (2, 9953461), (7, 2843846), (14, 1421923), (97, 205226), (107, 186046), (137, 145306), (194, 102613), (214, 93023), (274, 72653), (679, 29318), (749, 26578), (959, 20758), (1358, 14659), (1498, 13289), (1918, 10379)]