19021661565

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1\times {\mathrm{563}}^1$

素因数の和:1150

約数の個数: 64

約数和(自身を含む): 31538771712

約数和(自身を除く): 12517110147

約数列:

[1, 3, 5, 15, 41, 123, 137, 205, 401, 411, 563, 615, 685, 1203, 1689, 2005, 2055, 2815, 5617, 6015, 8445, 16441, 16851, 23083, 28085, 49323, 54937, 69249, 77131, 82205, 84255, 115415, 164811, 225763, 231393, 246615, 274685, 346245, 385655, 677289, 824055, 1128815, 1156965, 2252417, 3162371, 3386445, 6757251, 9256283, 9487113, 11262085, 15811855, 27768849, 30929531, 33786255, 46281415, 47435565, 92788593, 138844245, 154647655, 463942965, 1268110771, 3804332313, 6340553855, 19021661565]

約数ペア:

[(1, 19021661565), (3, 6340553855), (5, 3804332313), (15, 1268110771), (41, 463942965), (123, 154647655), (137, 138844245), (205, 92788593), (401, 47435565), (411, 46281415), (563, 33786255), (615, 30929531), (685, 27768849), (1203, 15811855), (1689, 11262085), (2005, 9487113), (2055, 9256283), (2815, 6757251), (5617, 3386445), (6015, 3162371), (8445, 2252417), (16441, 1156965), (16851, 1128815), (23083, 824055), (28085, 677289), (49323, 385655), (54937, 346245), (69249, 274685), (77131, 246615), (82205, 231393), (84255, 225763), (115415, 164811)]