18808225401

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1\times {\mathrm{22531}}^1$

素因数の和:22981

約数の個数: 32

約数和(自身を含む): 28979396608

約数和(自身を除く): 10171171207

約数列:

[1, 3, 7, 21, 127, 313, 381, 889, 939, 2191, 2667, 6573, 22531, 39751, 67593, 119253, 157717, 278257, 473151, 834771, 2861437, 7052203, 8584311, 20030059, 21156609, 49365421, 60090177, 148096263, 895629781, 2686889343, 6269408467, 18808225401]

約数ペア:

[(1, 18808225401), (3, 6269408467), (7, 2686889343), (21, 895629781), (127, 148096263), (313, 60090177), (381, 49365421), (889, 21156609), (939, 20030059), (2191, 8584311), (2667, 7052203), (6573, 2861437), (22531, 834771), (39751, 473151), (67593, 278257), (119253, 157717)]