18867996892

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{829}}^1\times {\mathrm{299473}}^1$

素因数の和:300325

約数の個数: 24

約数和(自身を含む): 34798878800

約数和(自身を除く): 15930881908

約数列:

[1, 2, 4, 19, 38, 76, 829, 1658, 3316, 15751, 31502, 63004, 299473, 598946, 1197892, 5689987, 11379974, 22759948, 248263117, 496526234, 993052468, 4716999223, 9433998446, 18867996892]

約数ペア:

[(1, 18867996892), (2, 9433998446), (4, 4716999223), (19, 993052468), (38, 496526234), (76, 248263117), (829, 22759948), (1658, 11379974), (3316, 5689987), (15751, 1197892), (31502, 598946), (63004, 299473)]