18908176

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2137}}^1$

素因数の和:2231

約数の個数: 40

約数和(自身を含む): 42417920

約数和(自身を除く): 23509744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2137, 2212, 4274, 4424, 8548, 8848, 14959, 17096, 29918, 34192, 59836, 119672, 168823, 239344, 337646, 675292, 1181761, 1350584, 2363522, 2701168, 4727044, 9454088, 18908176]

約数ペア:

[(1, 18908176), (2, 9454088), (4, 4727044), (7, 2701168), (8, 2363522), (14, 1350584), (16, 1181761), (28, 675292), (56, 337646), (79, 239344), (112, 168823), (158, 119672), (316, 59836), (553, 34192), (632, 29918), (1106, 17096), (1264, 14959), (2137, 8848), (2212, 8548), (4274, 4424)]