17926804

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 38993920

約数和(自身を除く): 21067116

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1087, 1178, 2174, 2356, 4123, 4348, 7609, 8246, 15218, 16492, 20653, 30436, 33697, 41306, 67394, 82612, 134788, 144571, 235879, 289142, 471758, 578284, 640243, 943516, 1280486, 2560972, 4481701, 8963402, 17926804]

約数ペア:

[(1, 17926804), (2, 8963402), (4, 4481701), (7, 2560972), (14, 1280486), (19, 943516), (28, 640243), (31, 578284), (38, 471758), (62, 289142), (76, 235879), (124, 144571), (133, 134788), (217, 82612), (266, 67394), (434, 41306), (532, 33697), (589, 30436), (868, 20653), (1087, 16492), (1178, 15218), (2174, 8246), (2356, 7609), (4123, 4348)]