18408040581

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1\times {\mathrm{44029}}^1$

素因数の和:44545

約数の個数: 32

約数和(自身を含む): 28765327360

約数和(自身を除く): 10357286779

約数列:

[1, 3, 7, 21, 43, 129, 301, 463, 903, 1389, 3241, 9723, 19909, 44029, 59727, 132087, 139363, 308203, 418089, 924609, 1893247, 5679741, 13252729, 20385427, 39758187, 61156281, 142697989, 428093967, 876573361, 2629720083, 6136013527, 18408040581]

約数ペア:

[(1, 18408040581), (3, 6136013527), (7, 2629720083), (21, 876573361), (43, 428093967), (129, 142697989), (301, 61156281), (463, 39758187), (903, 20385427), (1389, 13252729), (3241, 5679741), (9723, 1893247), (19909, 924609), (44029, 418089), (59727, 308203), (132087, 139363)]