18161948

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4877}}^1$

素因数の和:4914

約数の個数: 36

約数和(自身を含む): 38926440

約数和(自身を除く): 20764492

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 4877, 9754, 19508, 34139, 68278, 92663, 136556, 185326, 238973, 370652, 477946, 648641, 955892, 1297282, 2594564, 4540487, 9080974, 18161948]

約数ペア:

[(1, 18161948), (2, 9080974), (4, 4540487), (7, 2594564), (14, 1297282), (19, 955892), (28, 648641), (38, 477946), (49, 370652), (76, 238973), (98, 185326), (133, 136556), (196, 92663), (266, 68278), (532, 34139), (931, 19508), (1862, 9754), (3724, 4877)]