18816

素因数分解:

$2^7\times 3^1\times 7^2$

素因数の和:31

約数の個数: 48

約数和(自身を含む): 58140

約数和(自身を除く): 39324

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 294, 336, 384, 392, 448, 588, 672, 784, 896, 1176, 1344, 1568, 2352, 2688, 3136, 4704, 6272, 9408, 18816]

約数ペア:

[(1, 18816), (2, 9408), (3, 6272), (4, 4704), (6, 3136), (7, 2688), (8, 2352), (12, 1568), (14, 1344), (16, 1176), (21, 896), (24, 784), (28, 672), (32, 588), (42, 448), (48, 392), (49, 384), (56, 336), (64, 294), (84, 224), (96, 196), (98, 192), (112, 168), (128, 147)]