18205845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4229}}^1$

素因数の和:4285

約数の個数: 32

約数和(自身を含む): 34110720

約数和(自身を除く): 15904875

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4229, 4305, 12687, 21145, 29603, 63435, 88809, 148015, 173389, 444045, 520167, 866945, 1213723, 2600835, 3641169, 6068615, 18205845]

約数ペア:

[(1, 18205845), (3, 6068615), (5, 3641169), (7, 2600835), (15, 1213723), (21, 866945), (35, 520167), (41, 444045), (105, 173389), (123, 148015), (205, 88809), (287, 63435), (615, 29603), (861, 21145), (1435, 12687), (4229, 4305)]