19005494501

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1\times {\mathrm{509}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 22211911680

約数和(自身を除く): 3206417179

約数列:

[1, 7, 97, 127, 433, 509, 679, 889, 3031, 3563, 12319, 42001, 49373, 54991, 64643, 86233, 220397, 294007, 345611, 384937, 452501, 1542779, 5334127, 6270371, 21378509, 27990419, 37338889, 43892597, 149649563, 195932933, 2715070643, 19005494501]

約数ペア:

[(1, 19005494501), (7, 2715070643), (97, 195932933), (127, 149649563), (433, 43892597), (509, 37338889), (679, 27990419), (889, 21378509), (3031, 6270371), (3563, 5334127), (12319, 1542779), (42001, 452501), (49373, 384937), (54991, 345611), (64643, 294007), (86233, 220397)]