18394845

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{863}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 35458560

約数和(自身を除く): 17063715

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 49, 87, 105, 145, 147, 203, 245, 435, 609, 735, 863, 1015, 1421, 2589, 3045, 4263, 4315, 6041, 7105, 12945, 18123, 21315, 25027, 30205, 42287, 75081, 90615, 125135, 126861, 175189, 211435, 375405, 525567, 634305, 875945, 1226323, 2627835, 3678969, 6131615, 18394845]

約数ペア:

[(1, 18394845), (3, 6131615), (5, 3678969), (7, 2627835), (15, 1226323), (21, 875945), (29, 634305), (35, 525567), (49, 375405), (87, 211435), (105, 175189), (145, 126861), (147, 125135), (203, 90615), (245, 75081), (435, 42287), (609, 30205), (735, 25027), (863, 21315), (1015, 18123), (1421, 12945), (2589, 7105), (3045, 6041), (4263, 4315)]