18421564

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1117}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 40069120

約数和(自身を除く): 21647556

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1117, 1178, 2234, 2356, 4123, 4468, 7819, 8246, 15638, 16492, 21223, 31276, 34627, 42446, 69254, 84892, 138508, 148561, 242389, 297122, 484778, 594244, 657913, 969556, 1315826, 2631652, 4605391, 9210782, 18421564]

約数ペア:

[(1, 18421564), (2, 9210782), (4, 4605391), (7, 2631652), (14, 1315826), (19, 969556), (28, 657913), (31, 594244), (38, 484778), (62, 297122), (76, 242389), (124, 148561), (133, 138508), (217, 84892), (266, 69254), (434, 42446), (532, 34627), (589, 31276), (868, 21223), (1117, 16492), (1178, 15638), (2234, 8246), (2356, 7819), (4123, 4468)]